libpcap: Fix of CVE-2026-0799

{
  "id": "42269134945e5ca95b1553789cd010d82ab208c150edf3d2558906759ec475cf",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1791564868",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libpcap: Fix of CVE-2026-0799",
    "summary": "- CVE-2026-0799: Access M[] safely in the BPF interpreter by bounds-checking the scratch memory register index in the \"ld M[k]\", \"ldx M[k]\", \"st M[k]\" and \"stx M[k]\" instructions, so an unvalidated BPF program cannot read or write outside mem[]",
    "evidence": "osv:CLSA-2026-1791564868",
    "products": [
      {
        "name": {
          "value": "libpcap",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "14:1.10.0-4.el9.tuxcare.els1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libpcap-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "14:1.10.0-4.el9.tuxcare.els1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1791564868",
      "aliases": [
        "CLSA-2026-1791564868"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "14:1.10.0-4.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "libpcap",
            "purl": "pkg:rpm/tuxcare/libpcap?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-2026-1791564868.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "14:1.10.0-4.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "libpcap-devel",
            "purl": "pkg:rpm/tuxcare/libpcap-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-2026-1791564868.json"
          }
        }
      ],
      "modified": "2026-10-26T09:30:39.107024481Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-0799"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1791564868.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-0799"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-0799",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447183,
  "published_at": "2026-10-09T16:54:39+00:00"
}