libtasn1: Fix of CVE-2021-46848

{
  "id": "1494486761b3ee19cc9808b27e71e7b98029d5d1b259891d3521b37c36097431",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1792179539",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libtasn1: Fix of CVE-2021-46848",
    "summary": "- CVE-2018-6003: Restrict recursion depth in _asn1_decode_simple_ber() to prevent stack exhaustion DoS via crafted indefinite-length BER input.",
    "evidence": "osv:CLSA-2026-1792179539",
    "products": [
      {
        "name": {
          "value": "libtasn1",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.10-1.el7.tuxcare.els2",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libtasn1-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.10-1.el7.tuxcare.els2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libtasn1-tools",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.10-1.el7.tuxcare.els2",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1792179539",
      "aliases": [
        "CLSA-2026-1792179539"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.10-1.el7.tuxcare.els2"
                }
              ]
            }
          ],
          "package": {
            "name": "libtasn1",
            "purl": "pkg:rpm/tuxcare/libtasn1?distro=rhel-7",
            "ecosystem": "TuxCare:RHEL:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792179539.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.10-1.el7.tuxcare.els2"
                }
              ]
            }
          ],
          "package": {
            "name": "libtasn1-devel",
            "purl": "pkg:rpm/tuxcare/libtasn1-devel?distro=rhel-7",
            "ecosystem": "TuxCare:RHEL:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792179539.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.10-1.el7.tuxcare.els2"
                }
              ]
            }
          ],
          "package": {
            "name": "libtasn1-tools",
            "purl": "pkg:rpm/tuxcare/libtasn1-tools?distro=rhel-7",
            "ecosystem": "TuxCare:RHEL:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792179539.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:40.053276735Z",
      "provider": "osv",
      "upstream": [
        "CVE-2018-6003",
        "CVE-2021-46848"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/rhel7els/CLSA-2026-1792179539.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2021-46848"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2018-6003",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2021-46848",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 450062,
  "published_at": "2026-10-16T19:39:11+00:00"
}