SUSE-SU-2026:1667-1

Vulnerability from csaf_suse - Published: 2026-04-30 17:22 - Updated: 2026-04-30 17:22
Summary
Security update for python-Pygments
Severity
Low
Notes
Title of the patch: Security update for python-Pygments
Description of the patch: This update for python-Pygments fixes the following issues: - CVE-2026-4539: inefficient regex for GUID and ID pattern matching can lead to archetype lexer ReDoS (bsc#1260796).
Patchnames: SUSE-2026-1667,SUSE-SLE-Module-Basesystem-15-SP7-2026-1667
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "low"
    },
    "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 python-Pygments",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for python-Pygments fixes the following issues:\n\n- CVE-2026-4539: inefficient regex for GUID and ID pattern matching can lead to archetype lexer ReDoS (bsc#1260796).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2026-1667,SUSE-SLE-Module-Basesystem-15-SP7-2026-1667",
        "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_1667-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2026:1667-1",
        "url": "https://www.suse.com/support/update/announcement/2026/suse-su-20261667-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2026:1667-1",
        "url": "https://lists.suse.com/pipermail/sle-updates/2026-May/046143.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1260796",
        "url": "https://bugzilla.suse.com/1260796"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2026-4539 page",
        "url": "https://www.suse.com/security/cve/CVE-2026-4539/"
      }
    ],
    "title": "Security update for python-Pygments",
    "tracking": {
      "current_release_date": "2026-04-30T17:22:44Z",
      "generator": {
        "date": "2026-04-30T17:22:44Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2026:1667-1",
      "initial_release_date": "2026-04-30T17:22:44Z",
      "revision_history": [
        {
          "date": "2026-04-30T17:22:44Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "python3-Pygments-2.6.1-150300.4.6.1.noarch",
                "product": {
                  "name": "python3-Pygments-2.6.1-150300.4.6.1.noarch",
                  "product_id": "python3-Pygments-2.6.1-150300.4.6.1.noarch"
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Module for Basesystem 15 SP7",
                "product": {
                  "name": "SUSE Linux Enterprise Module for Basesystem 15 SP7",
                  "product_id": "SUSE Linux Enterprise Module for Basesystem 15 SP7",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-basesystem:15:sp7"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
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        "category": "default_component_of",
        "full_product_name": {
          "name": "python3-Pygments-2.6.1-150300.4.6.1.noarch as component of SUSE Linux Enterprise Module for Basesystem 15 SP7",
          "product_id": "SUSE Linux Enterprise Module for Basesystem 15 SP7:python3-Pygments-2.6.1-150300.4.6.1.noarch"
        },
        "product_reference": "python3-Pygments-2.6.1-150300.4.6.1.noarch",
        "relates_to_product_reference": "SUSE Linux Enterprise Module for Basesystem 15 SP7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-4539",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-4539"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A security flaw has been discovered in pygments up to 2.19.2. The impacted element is the function AdlLexer of the file pygments/lexers/archetype.py. The manipulation results in inefficient regular expression complexity. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15 SP7:python3-Pygments-2.6.1-150300.4.6.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-4539",
          "url": "https://www.suse.com/security/cve/CVE-2026-4539"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1260796 for CVE-2026-4539",
          "url": "https://bugzilla.suse.com/1260796"
        }
      ],
      "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 Module for Basesystem 15 SP7:python3-Pygments-2.6.1-150300.4.6.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:python3-Pygments-2.6.1-150300.4.6.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-04-30T17:22:44Z",
          "details": "low"
        }
      ],
      "title": "CVE-2026-4539"
    }
  ]
}


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Sightings

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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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