libelfin — security advisory

{
  "id": "bd55295da986fab8fc0f2ae2fd7d25050325a157489a7980b1c7303ec769898b",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-24827",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2020-24827",
    "summary": "A vulnerability in the dwarf::cursor::skip_form function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file.",
    "evidence": "osv:DEBIAN-CVE-2020-24827",
    "products": [
      {
        "name": {
          "value": "libelfin",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "0.3-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.3-3.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.3-3.1~exp1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.3-3.1~exp2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.3-4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.3-5",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2020-24827",
      "aliases": [
        "DEBIAN-CVE-2020-24827"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "libelfin",
            "purl": "pkg:deb/debian/libelfin?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "versions": [
            "0.3-3",
            "0.3-3.1",
            "0.3-3.1~exp1",
            "0.3-3.1~exp2",
            "0.3-4",
            "0.3-5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-24827.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-26T12:01:46.289348589Z",
      "provider": "osv",
      "upstream": [
        "CVE-2020-24827"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2020-24827"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2020-24827",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 451829,
  "published_at": "2021-08-04T15:15:08.79+00:00"
}