Vulnerability-Lookup

OESA-2026-1266 (CVE-2025-15281)

Vulnerability from osv_openeuler – Published: 2026-01-30 11:10 – Updated: 2026-08-06 11:10 – Source website

Summary

glibc security update

Details

The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, BSD, OS-specific APIs and more. These APIs include such foundational facilities as open, read, write, malloc, printf, getaddrinfo, dlopen, pthread_create, crypt, login, exit and more.

Security Fix(es):

Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Library version 2.0 to version 2.42 may cause the interface to return uninitialized memory in the we_wordv member, which on subsequent calls to wordfree may abort the process.(CVE-2025-15281)

Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to version 2.42 can leak stack contents to the configured DNS resolver.(CVE-2026-0915)

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2025-15281	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-0915	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "glibc-2.28-122.oe2003sp4.aarch64.rpm",
          "glibc-all-langpacks-2.28-122.oe2003sp4.aarch64.rpm",
          "glibc-benchtests-2.28-122.oe2003sp4.aarch64.rpm",
          "glibc-common-2.28-122.oe2003sp4.aarch64.rpm",
          "glibc-compat-2.17-2.28-122.oe2003sp4.aarch64.rpm",
          "glibc-debuginfo-2.28-122.oe2003sp4.aarch64.rpm",
          "glibc-debugsource-2.28-122.oe2003sp4.aarch64.rpm",
          "glibc-debugutils-2.28-122.oe2003sp4.aarch64.rpm",
          "glibc-devel-2.28-122.oe2003sp4.aarch64.rpm",
          "glibc-locale-source-2.28-122.oe2003sp4.aarch64.rpm",
          "glibc-nss-devel-2.28-122.oe2003sp4.aarch64.rpm",
          "libnsl-2.28-122.oe2003sp4.aarch64.rpm",
          "nscd-2.28-122.oe2003sp4.aarch64.rpm",
          "nss_modules-2.28-122.oe2003sp4.aarch64.rpm"
        ],
        "noarch": [
          "glibc-help-2.28-122.oe2003sp4.noarch.rpm"
        ],
        "src": [
          "glibc-2.28-122.oe2003sp4.src.rpm"
        ],
        "x86_64": [
          "glibc-2.28-122.oe2003sp4.x86_64.rpm",
          "glibc-all-langpacks-2.28-122.oe2003sp4.x86_64.rpm",
          "glibc-benchtests-2.28-122.oe2003sp4.x86_64.rpm",
          "glibc-common-2.28-122.oe2003sp4.x86_64.rpm",
          "glibc-compat-2.17-2.28-122.oe2003sp4.x86_64.rpm",
          "glibc-debuginfo-2.28-122.oe2003sp4.x86_64.rpm",
          "glibc-debugsource-2.28-122.oe2003sp4.x86_64.rpm",
          "glibc-debugutils-2.28-122.oe2003sp4.x86_64.rpm",
          "glibc-devel-2.28-122.oe2003sp4.x86_64.rpm",
          "glibc-locale-source-2.28-122.oe2003sp4.x86_64.rpm",
          "glibc-nss-devel-2.28-122.oe2003sp4.x86_64.rpm",
          "libnsl-2.28-122.oe2003sp4.x86_64.rpm",
          "nscd-2.28-122.oe2003sp4.x86_64.rpm",
          "nss_modules-2.28-122.oe2003sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP4",
        "name": "glibc",
        "purl": "pkg:rpm/openEuler/glibc\u0026distro=openEuler-20.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.28-122.oe2003sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, BSD, OS-specific APIs and more. These APIs include such foundational facilities as open, read, write, malloc, printf, getaddrinfo, dlopen, pthread_create, crypt,  login, exit and more.\r\n\r\nSecurity Fix(es):\n\nCalling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Library version 2.0 to version 2.42 may cause the interface to return uninitialized memory in the we_wordv member, which on subsequent calls to wordfree may abort the process.(CVE-2025-15281)\n\nCalling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the library\u0026apos;s DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to version 2.42 can leak stack contents to the configured DNS resolver.(CVE-2026-0915)",
  "id": "OESA-2026-1266",
  "modified": "2026-08-06T11:10:17Z",
  "published": "2026-01-30T11:10:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1266"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-15281"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0915"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "glibc security update",
  "upstream": [
    "CVE-2025-15281",
    "CVE-2026-0915"
  ]
}

CVE-2025-15281 (GCVE-0-2025-15281)

Vulnerability from cvelistv5 – Published: 2026-01-20 13:22 – Updated: 2026-01-22 19:21

Title

wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-22 19:21 UTC

CWE

CWE-908 - Use of Uninitialized Resource

Assigner

glibc redhat root

References

2 references

URL	Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=33814
http://www.openwall.com/lists/oss-security/2026/01/20/3

Impacted products

1 product

Vendor	Product	Version
The GNU C Library	glibc	Affected: 2.0 , ≤ 2.42 (custom)

Credits

Vitaly Simonovich

Show details on NVD website

JSON

To clipboard

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CVE-2026-0915 (GCVE-0-2026-0915)

Vulnerability from cvelistv5 – Published: 2026-01-15 22:08 – Updated: 2026-01-20 16:03

Title

getnetbyaddr and getnetbyaddr_r leak stack contents to DNS resovler

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-20 16:03 UTC

CWE

CWE-908 - Use of Uninitialized Resource

Assigner

glibc redhat root

References

2 references

URL	Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=33802
http://www.openwall.com/lists/oss-security/2026/01/16/6

Impacted products

1 product

Vendor	Product	Version
The GNU C Library	glibc	Affected: 2.0 , ≤ 2.42 (custom)

Credits

Igor Morgenstern, Aisle Research

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OESA-2026-1266 (CVE-2025-15281)

CVE-2025-15281 (GCVE-0-2025-15281)

CVE-2026-0915 (GCVE-0-2026-0915)

Tags

Sightings

Nomenclature

Related by attack behaviour