TuxCare security update for pyyaml (2 CVEs)

{
  "id": "6006b41ed5d0e1f778d13917cedf8b6e6211d8faccf2234c227263c85912922c",
  "url": "https://osv.dev/vulnerability/CLSA-2025-1766103244",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "TuxCare security update for pyyaml (2 CVEs)",
    "summary": "TuxCare rebuilt pyyaml to address 2 CVEs. Fixed in 3.13.post1+tuxcare.",
    "evidence": "osv:CLSA-2025-1766103244",
    "products": [
      {
        "name": {
          "value": "pyyaml",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.13.post1+tuxcare",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "3.13",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2025-1766103244",
      "aliases": [
        "CLSA-2025-1766103244"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "3.13"
                },
                {
                  "fixed": "3.13.post1+tuxcare"
                }
              ]
            }
          ],
          "package": {
            "name": "pyyaml",
            "purl": "pkg:pypi/pyyaml",
            "ecosystem": "TuxCare:PyPI"
          },
          "versions": [
            "3.13"
          ],
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_lang/pypi/CLSA-2025-1766103244.json",
            "tuxcare": {
              "base_version": "3.13",
              "fixed_version": "3.13.post1+tuxcare"
            }
          }
        }
      ],
      "modified": "2026-10-20T13:45:22.681459912Z",
      "provider": "osv",
      "upstream": [
        "CVE-2017-18342",
        "CVE-2020-14343"
      ],
      "references": []
    },
    "related_cves": [
      {
        "value": "CVE-2017-18342",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2020-14343",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 388207,
  "published_at": "2026-08-04T14:52:11+00:00"
}