RHSA-2026:12740

Vulnerability from csaf_redhat - Published: 2026-05-01 14:05 - Updated: 2026-05-01 18:39
Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Moderate
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs: glibc: * compat-libpthread-nonshared-2.42-12.hum1 (aarch64, x86_64) * glibc-2.42-12.hum1 (aarch64, x86_64) * glibc-all-langpacks-2.42-12.hum1 (aarch64, x86_64) * glibc-benchtests-2.42-12.hum1 (aarch64, x86_64) * glibc-common-2.42-12.hum1 (aarch64, x86_64) * glibc-devel-2.42-12.hum1 (aarch64, x86_64) * glibc-doc-2.42-12.hum1 (noarch) * glibc-gconv-extra-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-aa-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-af-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-agr-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ak-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-am-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-an-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-anp-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ar-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-as-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ast-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ayc-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-az-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-be-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-bem-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ber-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-bg-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-bhb-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-bho-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-bi-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-bn-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-bo-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-br-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-brx-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-bs-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-byn-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ca-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ce-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-chr-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ckb-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-cmn-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-crh-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-cs-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-csb-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-cv-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-cy-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-da-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-de-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-doi-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-dsb-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-dv-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-dz-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-el-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-en-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-eo-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-es-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-et-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-eu-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-fa-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ff-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-fi-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-fil-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-fo-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-fr-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-fur-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-fy-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ga-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-gbm-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-gd-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-gez-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-gl-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-gu-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-gv-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ha-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-hak-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-he-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-hi-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-hif-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-hne-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-hr-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-hsb-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ht-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-hu-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-hy-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ia-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-id-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ig-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ik-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-is-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-it-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-iu-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ja-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ka-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-kab-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-kk-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-kl-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-km-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-kn-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ko-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-kok-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ks-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ku-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-kv-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-kw-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ky-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-lb-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-lg-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-li-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-lij-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ln-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-lo-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-lt-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ltg-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-lv-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-lzh-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mag-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mai-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mdf-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mfe-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mg-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mhr-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mi-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-miq-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mjw-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mk-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ml-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mn-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mni-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mnw-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mr-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ms-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-mt-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-my-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-nan-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-nb-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-nds-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ne-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-nhn-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-niu-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-nl-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-nn-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-nr-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-nso-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-oc-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-om-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-or-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-os-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-pa-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-pap-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-pl-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ps-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-pt-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-quz-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-raj-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-rif-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ro-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ru-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-rw-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sa-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sah-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sat-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sc-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-scn-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sd-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-se-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sgs-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-shn-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-shs-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-si-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sid-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sk-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sl-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sm-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-so-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sq-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sr-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ss-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ssy-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-st-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-su-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sv-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-sw-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-syr-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-szl-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ta-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-tcy-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-te-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-tg-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-th-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-the-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ti-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-tig-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-tk-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-tl-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-tn-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-to-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-tok-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-tpi-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-tr-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ts-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-tt-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ug-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-uk-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-unm-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ur-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-uz-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-ve-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-vi-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-wa-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-wae-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-wal-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-wo-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-xh-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-yi-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-yo-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-yue-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-yuw-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-zgh-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-zh-2.42-12.hum1 (aarch64, x86_64) * glibc-langpack-zu-2.42-12.hum1 (aarch64, x86_64) * glibc-locale-source-2.42-12.hum1 (aarch64, x86_64) * glibc-minimal-langpack-2.42-12.hum1 (aarch64, x86_64) * glibc-nss-devel-2.42-12.hum1 (aarch64, x86_64) * glibc-static-2.42-12.hum1 (aarch64, x86_64) * glibc-utils-2.42-12.hum1 (aarch64, x86_64) * glibc32-2.42-12.hum1 (x86_64) * libnsl-2.42-12.hum1 (aarch64, x86_64) * nss_db-2.42-12.hum1 (aarch64, x86_64) * nss_hesiod-2.42-12.hum1 (aarch64, x86_64) * sysroot-aarch64-fc43-glibc-2.42-12.hum1 (noarch) * sysroot-x86_64-fc43-glibc-2.42-12.hum1 (noarch) * glibc-2.42-12.hum1.src (src)
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A flaw was found in glibc, the GNU C Library. A remote attacker could exploit this vulnerability by providing specially crafted inputs using the IBM1390 or IBM1399 character sets to the `iconv()` function. This could lead to an assertion failure, causing the application to crash and resulting in a Denial of Service (DoS).

CWE-617 - Reachable Assertion
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ https://access.redhat.com/errata/RHSA-2026:12740
Workaround Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

A flaw was found in glibc, the GNU C Library. Specifically, deprecated functions responsible for printing TSIG (Transaction Signature) records fail to properly manage memory buffers. This oversight can lead to an out-of-bounds write when processing specially crafted TSIG records. An attacker could exploit this to cause a denial of service or potentially execute arbitrary code.

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ https://access.redhat.com/errata/RHSA-2026:12740

A flaw was found in glibc (GNU C Library). This vulnerability occurs when an application uses the `scanf` family of functions with a `%mc` format specifier, which is used for dynamically allocating memory for character input, and provides an explicit width greater than 1024. This specific combination can lead to a one-byte heap buffer overflow, potentially allowing an attacker to corrupt memory.

CWE-131 - Incorrect Calculation of Buffer Size
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ https://access.redhat.com/errata/RHSA-2026:12740
Workaround Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

A flaw was found in glibc (GNU C Library). When the `ungetwc` function is called on a file stream using wide characters with specific overlapping single-byte and multi-byte encodings, it may attempt to read data outside of its allocated buffer. This can lead to the unintentional disclosure of sensitive information from memory or cause the program to crash, resulting in a denial of service.

CWE-125 - Out-of-bounds Read
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ https://access.redhat.com/errata/RHSA-2026:12740
Workaround Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
References
https://access.redhat.com/errata/RHSA-2026:12740 self
https://images.redhat.com/ external
https://access.redhat.com/security/cve/CVE-2026-5435 external
https://access.redhat.com/security/updates/classi… external
https://access.redhat.com/security/cve/CVE-2026-5928 external
https://access.redhat.com/security/cve/CVE-2026-5450 external
https://access.redhat.com/security/cve/CVE-2026-4046 external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2026-4046 self
https://bugzilla.redhat.com/show_bug.cgi?id=2453117 external
https://www.cve.org/CVERecord?id=CVE-2026-4046 external
https://nvd.nist.gov/vuln/detail/CVE-2026-4046 external
https://packages.fedoraproject.org/pkgs/glibc/gli… external
https://sourceware.org/bugzilla/show_bug.cgi?id=33980 external
https://sourceware.org/git/?p=glibc.git;a=blob_pl… external
https://access.redhat.com/security/cve/CVE-2026-5435 self
https://bugzilla.redhat.com/show_bug.cgi?id=2463465 external
https://www.cve.org/CVERecord?id=CVE-2026-5435 external
https://nvd.nist.gov/vuln/detail/CVE-2026-5435 external
https://inbox.sourceware.org/libc-announce/7a655d… external
https://sourceware.org/bugzilla/show_bug.cgi?id=34033 external
https://access.redhat.com/security/cve/CVE-2026-5450 self
https://bugzilla.redhat.com/show_bug.cgi?id=2459853 external
https://www.cve.org/CVERecord?id=CVE-2026-5450 external
https://nvd.nist.gov/vuln/detail/CVE-2026-5450 external
https://inbox.sourceware.org/libc-announce/b11f00… external
https://nvd.nist.gov/vuln/detail/CVE-2026-5450#ra… external
https://sourceware.org/bugzilla/show_bug.cgi?id=C… external
https://access.redhat.com/security/cve/CVE-2026-5928 self
https://bugzilla.redhat.com/show_bug.cgi?id=2459854 external
https://www.cve.org/CVERecord?id=CVE-2026-5928 external
https://nvd.nist.gov/vuln/detail/CVE-2026-5928 external
https://sourceware.org/bugzilla/show_bug.cgi?id=33998 external

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for Red Hat Hardened Images RPMs is now available.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "This update includes the following RPMs:\n\nglibc:\n  * compat-libpthread-nonshared-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-all-langpacks-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-benchtests-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-common-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-devel-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-doc-2.42-12.hum1 (noarch)\n  * glibc-gconv-extra-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-aa-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-af-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-agr-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ak-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-am-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-an-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-anp-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ar-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-as-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ast-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ayc-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-az-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-be-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-bem-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ber-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-bg-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-bhb-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-bho-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-bi-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-bn-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-bo-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-br-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-brx-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-bs-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-byn-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ca-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ce-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-chr-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ckb-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-cmn-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-crh-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-cs-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-csb-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-cv-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-cy-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-da-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-de-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-doi-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-dsb-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-dv-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-dz-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-el-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-en-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-eo-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-es-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-et-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-eu-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-fa-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ff-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-fi-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-fil-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-fo-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-fr-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-fur-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-fy-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ga-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-gbm-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-gd-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-gez-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-gl-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-gu-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-gv-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ha-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-hak-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-he-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-hi-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-hif-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-hne-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-hr-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-hsb-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ht-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-hu-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-hy-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ia-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-id-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ig-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ik-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-is-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-it-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-iu-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ja-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ka-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-kab-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-kk-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-kl-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-km-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-kn-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ko-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-kok-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ks-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ku-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-kv-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-kw-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ky-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-lb-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-lg-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-li-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-lij-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ln-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-lo-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-lt-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ltg-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-lv-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-lzh-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mag-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mai-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mdf-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mfe-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mg-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mhr-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mi-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-miq-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mjw-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mk-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ml-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mn-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mni-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mnw-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mr-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ms-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-mt-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-my-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-nan-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-nb-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-nds-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ne-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-nhn-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-niu-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-nl-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-nn-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-nr-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-nso-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-oc-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-om-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-or-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-os-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-pa-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-pap-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-pl-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ps-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-pt-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-quz-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-raj-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-rif-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ro-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ru-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-rw-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sa-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sah-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sat-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sc-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-scn-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sd-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-se-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sgs-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-shn-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-shs-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-si-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sid-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sk-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sl-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sm-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-so-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sq-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sr-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ss-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ssy-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-st-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-su-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sv-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-sw-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-syr-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-szl-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ta-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-tcy-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-te-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-tg-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-th-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-the-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ti-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-tig-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-tk-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-tl-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-tn-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-to-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-tok-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-tpi-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-tr-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ts-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-tt-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ug-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-uk-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-unm-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ur-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-uz-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-ve-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-vi-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-wa-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-wae-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-wal-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-wo-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-xh-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-yi-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-yo-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-yue-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-yuw-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-zgh-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-zh-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-langpack-zu-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-locale-source-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-minimal-langpack-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-nss-devel-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-static-2.42-12.hum1 (aarch64, x86_64)\n  * glibc-utils-2.42-12.hum1 (aarch64, x86_64)\n  * glibc32-2.42-12.hum1 (x86_64)\n  * libnsl-2.42-12.hum1 (aarch64, x86_64)\n  * nss_db-2.42-12.hum1 (aarch64, x86_64)\n  * nss_hesiod-2.42-12.hum1 (aarch64, x86_64)\n  * sysroot-aarch64-fc43-glibc-2.42-12.hum1 (noarch)\n  * sysroot-x86_64-fc43-glibc-2.42-12.hum1 (noarch)\n  * glibc-2.42-12.hum1.src (src)",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2026:12740",
        "url": "https://access.redhat.com/errata/RHSA-2026:12740"
      },
      {
        "category": "external",
        "summary": "https://images.redhat.com/",
        "url": "https://images.redhat.com/"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/cve/CVE-2026-5435",
        "url": "https://access.redhat.com/security/cve/CVE-2026-5435"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/",
        "url": "https://access.redhat.com/security/updates/classification/"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/cve/CVE-2026-5928",
        "url": "https://access.redhat.com/security/cve/CVE-2026-5928"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/cve/CVE-2026-5450",
        "url": "https://access.redhat.com/security/cve/CVE-2026-5450"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/cve/CVE-2026-4046",
        "url": "https://access.redhat.com/security/cve/CVE-2026-4046"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_12740.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update",
    "tracking": {
      "current_release_date": "2026-05-01T18:39:02+00:00",
      "generator": {
        "date": "2026-05-01T18:39:02+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.7.7"
        }
      },
      "id": "RHSA-2026:12740",
      "initial_release_date": "2026-05-01T14:05:33+00:00",
      "revision_history": [
        {
          "date": "2026-05-01T14:05:33+00:00",
          "number": "1",
          "summary": "Initial version"
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          "category": "vendor_fix",
          "date": "2026-05-01T14:05:33+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:glibc-main@aarch64",
            "Red Hat Hardened Images:glibc-main@noarch",
            "Red Hat Hardened Images:glibc-main@src",
            "Red Hat Hardened Images:glibc-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:12740"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
          "product_ids": [
            "Red Hat Hardened Images:glibc-main@aarch64",
            "Red Hat Hardened Images:glibc-main@noarch",
            "Red Hat Hardened Images:glibc-main@src",
            "Red Hat Hardened Images:glibc-main@x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:glibc-main@aarch64",
            "Red Hat Hardened Images:glibc-main@noarch",
            "Red Hat Hardened Images:glibc-main@src",
            "Red Hat Hardened Images:glibc-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "glibc: glibc: Information disclosure or denial of service via ungetwc function with specific wide character encodings"
    }
  ]
}


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Tags
Taxonomy of the tags.


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Detection rules are retrieved from Rulezet.

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