SUSE-SU-2026:1662-1

Vulnerability from csaf_suse - Published: 2026-04-30 13:16 - Updated: 2026-04-30 13:16
Summary
Security update for glibc-livepatches
Severity
Important
Notes
Title of the patch: Security update for glibc-livepatches
Description of the patch: This update for glibc-livepatches fixes the following issue: Security fixes: - CVE-2026-4046: assertion failure when converting inputs may be used to remotely crash an application (bsc#1261209). Other fixes: - Fix problems with livepatches targeting libc-2.31.so instead of libc.so.6 in 15.4 (bsc#1263035).
Patchnames: SUSE-2026-1662,SUSE-SLE-Module-Live-Patching-15-SP4-2026-1662,SUSE-SLE-Module-Live-Patching-15-SP5-2026-1662,SUSE-SLE-Module-Live-Patching-15-SP7-2026-1662
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-4046
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP4:glibc-livepatches-0.4-150400.3.16.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP5:glibc-livepatches-0.4-150400.3.16.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP7:glibc-livepatches-0.4-150400.3.16.1.x86_64 —
Vendor Fix
Threats
Impact important
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for glibc-livepatches",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for glibc-livepatches fixes the following issue:\n\nSecurity fixes:\n\n- CVE-2026-4046: assertion failure when converting inputs may be used to remotely crash an application (bsc#1261209).\n\nOther fixes:\n\n- Fix problems with livepatches targeting libc-2.31.so instead of\n libc.so.6 in 15.4 (bsc#1263035).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2026-1662,SUSE-SLE-Module-Live-Patching-15-SP4-2026-1662,SUSE-SLE-Module-Live-Patching-15-SP5-2026-1662,SUSE-SLE-Module-Live-Patching-15-SP7-2026-1662",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_1662-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2026:1662-1",
        "url": "https://www.suse.com/support/update/announcement/2026/suse-su-20261662-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2026:1662-1",
        "url": "https://lists.suse.com/pipermail/sle-updates/2026-April/046142.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1261209",
        "url": "https://bugzilla.suse.com/1261209"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1263035",
        "url": "https://bugzilla.suse.com/1263035"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2026-4046 page",
        "url": "https://www.suse.com/security/cve/CVE-2026-4046/"
      }
    ],
    "title": "Security update for glibc-livepatches",
    "tracking": {
      "current_release_date": "2026-04-30T13:16:20Z",
      "generator": {
        "date": "2026-04-30T13:16:20Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2026:1662-1",
      "initial_release_date": "2026-04-30T13:16:20Z",
      "revision_history": [
        {
          "date": "2026-04-30T13:16:20Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "glibc-livepatches-0.4-150400.3.16.1.x86_64",
                "product": {
                  "name": "glibc-livepatches-0.4-150400.3.16.1.x86_64",
                  "product_id": "glibc-livepatches-0.4-150400.3.16.1.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP4",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP4",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP4",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp4"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP5",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP5",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP5",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp5"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP7",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP7",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP7",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp7"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "glibc-livepatches-0.4-150400.3.16.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP4",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP4:glibc-livepatches-0.4-150400.3.16.1.x86_64"
        },
        "product_reference": "glibc-livepatches-0.4-150400.3.16.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP4"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "glibc-livepatches-0.4-150400.3.16.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP5",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP5:glibc-livepatches-0.4-150400.3.16.1.x86_64"
        },
        "product_reference": "glibc-livepatches-0.4-150400.3.16.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP5"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "glibc-livepatches-0.4-150400.3.16.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP7",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP7:glibc-livepatches-0.4-150400.3.16.1.x86_64"
        },
        "product_reference": "glibc-livepatches-0.4-150400.3.16.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-4046",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-4046"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The iconv() function in the GNU C Library versions 2.43 and earlier may crash due to an assertion failure when converting inputs from the IBM1390 or IBM1399 character sets, which may be used to remotely crash an application.\n\n\n\nThis vulnerability can be trivially mitigated by removing the IBM1390 and IBM1399 character sets from systems that do not need them.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP4:glibc-livepatches-0.4-150400.3.16.1.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP5:glibc-livepatches-0.4-150400.3.16.1.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP7:glibc-livepatches-0.4-150400.3.16.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-4046",
          "url": "https://www.suse.com/security/cve/CVE-2026-4046"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261206 for CVE-2026-4046",
          "url": "https://bugzilla.suse.com/1261206"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261209 for CVE-2026-4046",
          "url": "https://bugzilla.suse.com/1261209"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15 SP4:glibc-livepatches-0.4-150400.3.16.1.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:glibc-livepatches-0.4-150400.3.16.1.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP7:glibc-livepatches-0.4-150400.3.16.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP4:glibc-livepatches-0.4-150400.3.16.1.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:glibc-livepatches-0.4-150400.3.16.1.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP7:glibc-livepatches-0.4-150400.3.16.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-04-30T13:16:20Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-4046"
    }
  ]
}


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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.
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  • 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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