webkit2gtk3: Fix of 4 CVEs

{
  "id": "c1d26d470f874c971c6c41ec822036f3b9462b55c851ecf13f65d5c07dfd0f3b",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1792402249",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "webkit2gtk3: Fix of 4 CVEs",
    "summary": "- CVE-2026-91747: use-after-free in the Skia GPU glyph atlas after a partial atlas update - CVE-2026-91740: uninitialized GPU resource read after a failed render task in Skia - CVE-2026-91733: missing flush failure handling in the Skia GPU backend - CVE-2026-17771: uninitialized texture padding read by Skia linear sampling",
    "evidence": "osv:CLSA-2026-1792402249",
    "products": [
      {
        "name": {
          "value": "webkit2gtk3",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.54.0-1.el9.tuxcare.els13",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "webkit2gtk3-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.54.0-1.el9.tuxcare.els13",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "webkit2gtk3-jsc",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.54.0-1.el9.tuxcare.els13",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "webkit2gtk3-jsc-devel",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.54.0-1.el9.tuxcare.els13",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1792402249",
      "aliases": [
        "CLSA-2026-1792402249"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.54.0-1.el9.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "webkit2gtk3",
            "purl": "pkg:rpm/tuxcare/webkit2gtk3?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792402249.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.54.0-1.el9.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "webkit2gtk3-devel",
            "purl": "pkg:rpm/tuxcare/webkit2gtk3-devel?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792402249.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.54.0-1.el9.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "webkit2gtk3-jsc",
            "purl": "pkg:rpm/tuxcare/webkit2gtk3-jsc?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792402249.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.54.0-1.el9.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "webkit2gtk3-jsc-devel",
            "purl": "pkg:rpm/tuxcare/webkit2gtk3-jsc-devel?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792402249.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:42.495275115Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-17771",
        "CVE-2026-91733",
        "CVE-2026-91740",
        "CVE-2026-91747"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1792402249.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-17771",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-91733",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-91740",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-91747"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-17771",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-91733",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-91740",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-91747",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 450092,
  "published_at": "2026-10-19T13:00:31+00:00"
}