SUSE-SU-2026:21039-1

Vulnerability from csaf_suse - Published: 2026-04-09 12:13 - Updated: 2026-09-23 17:27
Summary
Security update for glibc
Severity
Important
Notes
Title of the patch: Security update for glibc
Description of the patch: This update for glibc fixes the following issues: - CVE-2026-4437: incorrect DNS response parsing via crafted DNS server response (bsc#1260078). - CVE-2026-4438: invalid DNS hostname returned via gethostbyaddr functions (bsc#1260082).
Patchnames: SUSE-SLE-Micro-6.1-478
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Micro 6.1:glibc-0:2.38-slfo.1.1_7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-0:2.38-slfo.1.1_7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-0:2.38-slfo.1.1_7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-0:2.38-slfo.1.1_7.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-devel-0:2.38-slfo.1.1_7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-devel-0:2.38-slfo.1.1_7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-devel-0:2.38-slfo.1.1_7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-devel-0:2.38-slfo.1.1_7.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-locale-0:2.38-slfo.1.1_7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-locale-0:2.38-slfo.1.1_7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-locale-0:2.38-slfo.1.1_7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-locale-0:2.38-slfo.1.1_7.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-locale-base-0:2.38-slfo.1.1_7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-locale-base-0:2.38-slfo.1.1_7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-locale-base-0:2.38-slfo.1.1_7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:glibc-locale-base-0:2.38-slfo.1.1_7.1.x86_64 —
Vendor Fix
Threats
Impact moderate
Affected products
Recommended 16 products, the same list as for CVE-2026-4437
Threats
Impact moderate

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      "title": "CVE-2026-4438"
    }
  ]
}



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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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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.


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