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Security update for glibc

Type: advisorySources: OSV

This update for glibc fixes the following issues: - CVE-2026-8674: reachable assert in `resolv/resolv_conf.c:update_from_conf` allows an attacker in a local network to trigger a process crash (bsc#1281297). - CVE-2026-86805: TOCTOU race condition in the dynamic loader allows local attackers to escalate privileges (bsc#1282509). - CVE-2026-89092: nscd stack overflow leads to degraded DNS resolution (bsc#1282449). - CVE-2026-97399: one byte out-of-bounds read via function `strncasecmp` on Power8 can lead to a program crash (bsc#1283147).

Products
glibc
Affected versions
Not specified
Fixed versions
2.38-150600.14.61.1
CVEs
CVE-2026-8674, CVE-2026-86805, CVE-2026-89092, CVE-2026-97399
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 12:37 UTC · Revision 1

Source evidence

Security update for glibc

core-osv · Original source

Published 14 Oct 2026, 07:48 UTC

This update for glibc fixes the following issues: - CVE-2026-8674: reachable assert in `resolv/resolv_conf.c:update_from_conf` allows an attacker in a local network to trigger a process crash (bsc#1281297). - CVE-2026-86805: TOCTOU race condition in the dynamic loader allows local attackers to escalate privileges (bsc#1282509). - CVE-2026-89092: nscd stack overflow leads to degraded DNS resolution (bsc#1282449). - CVE-2026-97399: one byte out-of-bounds read via function `strncasecmp` on Power8 can lead to a program crash (bsc#1283147).

osv:SUSE-SU-2026:4656-1

glibc

Fixed versions: 2.38-150600.14.61.1

glibc

Fixed versions: 2.38-150600.14.61.1

glibc

Fixed versions: 2.38-150600.14.61.1

glibc

Fixed versions: 2.38-150600.14.61.1

Complete source record
{
  "id": "8c10aa6d0587bf79d3e3b0acb3fbf4fae1360e519785523b4accd16c979ffc27",
  "url": "https://osv.dev/vulnerability/SUSE-SU-2026%3A4656-1",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Security update for glibc",
    "summary": "This update for glibc fixes the following issues: - CVE-2026-8674: reachable assert in `resolv/resolv_conf.c:update_from_conf` allows an attacker in a local network to trigger a process crash (bsc#1281297). - CVE-2026-86805: TOCTOU race condition in the dynamic loader allows local attackers to escalate privileges (bsc#1282509). - CVE-2026-89092: nscd stack overflow leads to degraded DNS resolution (bsc#1282449). - CVE-2026-97399: one byte out-of-bounds read via function `strncasecmp` on Power8 can lead to a program crash (bsc#1283147).",
    "evidence": "osv:SUSE-SU-2026:4656-1",
    "products": [
      {
        "name": {
          "value": "glibc",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.38-150600.14.61.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "glibc",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.38-150600.14.61.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "glibc",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.38-150600.14.61.1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "glibc",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.38-150600.14.61.1",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "SUSE-SU-2026:4656-1",
      "aliases": [
        "SUSE-SU-2026:4656-1"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.38-150600.14.61.1"
                }
              ]
            }
          ],
          "package": {
            "name": "glibc",
            "purl": "pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7",
            "ecosystem": "SUSE:Linux Enterprise Module for Basesystem 15 SP7"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4656-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "nscd": "2.38-150600.14.61.1",
                "glibc": "2.38-150600.14.61.1",
                "libnsl1": "2.38-150600.14.61.1",
                "glibc-info": "2.38-150600.14.61.1",
                "glibc-lang": "2.38-150600.14.61.1",
                "glibc-32bit": "2.38-150600.14.61.1",
                "glibc-devel": "2.38-150600.14.61.1",
                "glibc-extra": "2.38-150600.14.61.1",
                "glibc-locale": "2.38-150600.14.61.1",
                "glibc-profile": "2.38-150600.14.61.1",
                "libnsl1-32bit": "2.38-150600.14.61.1",
                "glibc-i18ndata": "2.38-150600.14.61.1",
                "glibc-locale-base": "2.38-150600.14.61.1",
                "glibc-locale-base-32bit": "2.38-150600.14.61.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.38-150600.14.61.1"
                }
              ]
            }
          ],
          "package": {
            "name": "glibc",
            "purl": "pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7",
            "ecosystem": "SUSE:Linux Enterprise Module for Development Tools 15 SP7"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4656-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "glibc-utils": "2.38-150600.14.61.1",
                "glibc-devel-32bit": "2.38-150600.14.61.1",
                "glibc-devel-static": "2.38-150600.14.61.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.38-150600.14.61.1"
                }
              ]
            }
          ],
          "package": {
            "name": "glibc",
            "purl": "pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS",
            "ecosystem": "SUSE:Linux Enterprise Server 15 SP6-LTSS"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4656-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "nscd": "2.38-150600.14.61.1",
                "glibc": "2.38-150600.14.61.1",
                "libnsl1": "2.38-150600.14.61.1",
                "glibc-info": "2.38-150600.14.61.1",
                "glibc-lang": "2.38-150600.14.61.1",
                "glibc-32bit": "2.38-150600.14.61.1",
                "glibc-devel": "2.38-150600.14.61.1",
                "glibc-extra": "2.38-150600.14.61.1",
                "glibc-utils": "2.38-150600.14.61.1",
                "glibc-locale": "2.38-150600.14.61.1",
                "glibc-profile": "2.38-150600.14.61.1",
                "libnsl1-32bit": "2.38-150600.14.61.1",
                "glibc-i18ndata": "2.38-150600.14.61.1",
                "glibc-devel-32bit": "2.38-150600.14.61.1",
                "glibc-locale-base": "2.38-150600.14.61.1",
                "glibc-devel-static": "2.38-150600.14.61.1",
                "glibc-locale-base-32bit": "2.38-150600.14.61.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.38-150600.14.61.1"
                }
              ]
            }
          ],
          "package": {
            "name": "glibc",
            "purl": "pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6",
            "ecosystem": "SUSE:Linux Enterprise Server for SAP Applications 15 SP6"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4656-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "nscd": "2.38-150600.14.61.1",
                "glibc": "2.38-150600.14.61.1",
                "libnsl1": "2.38-150600.14.61.1",
                "glibc-info": "2.38-150600.14.61.1",
                "glibc-lang": "2.38-150600.14.61.1",
                "glibc-32bit": "2.38-150600.14.61.1",
                "glibc-devel": "2.38-150600.14.61.1",
                "glibc-extra": "2.38-150600.14.61.1",
                "glibc-utils": "2.38-150600.14.61.1",
                "glibc-locale": "2.38-150600.14.61.1",
                "glibc-profile": "2.38-150600.14.61.1",
                "libnsl1-32bit": "2.38-150600.14.61.1",
                "glibc-i18ndata": "2.38-150600.14.61.1",
                "glibc-devel-32bit": "2.38-150600.14.61.1",
                "glibc-locale-base": "2.38-150600.14.61.1",
                "glibc-devel-static": "2.38-150600.14.61.1",
                "glibc-locale-base-32bit": "2.38-150600.14.61.1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-14T17:30:08.719456990Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-8674",
        "CVE-2026-86805",
        "CVE-2026-89092",
        "CVE-2026-97399"
      ],
      "references": [
        "https://www.suse.com/support/update/announcement/2026/suse-su-20264656-1/",
        "https://bugzilla.suse.com/1281297",
        "https://bugzilla.suse.com/1282449",
        "https://bugzilla.suse.com/1282509",
        "https://bugzilla.suse.com/1283147",
        "https://www.suse.com/security/cve/CVE-2026-8674",
        "https://www.suse.com/security/cve/CVE-2026-86805",
        "https://www.suse.com/security/cve/CVE-2026-89092",
        "https://www.suse.com/security/cve/CVE-2026-97399"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-8674",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-86805",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-89092",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-97399",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 317534,
  "published_at": "2026-10-14T07:48:58+00:00"
}