libxs-parse-keyword-perl vulnerability

{
  "id": "677581d27ef0b7c7e374d7ccc7911d9772fdc926bd3e0ca6d8c094fa5a1223d1",
  "url": "https://osv.dev/vulnerability/USN-8940-1",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libxs-parse-keyword-perl vulnerability",
    "summary": "It was discovered that the Perl XS::Parse::Keyword module did not correctly handle certain inputs. If a user or automated system were tricked into receiving specially crafted input, an attacker could cause a denial of service.",
    "evidence": "osv:USN-8940-1",
    "products": [
      {
        "name": {
          "value": "libxs-parse-keyword-perl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.49-1ubuntu1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "0.49-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.49-1build1",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "libxs-parse-keyword-perl",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.49-1ubuntu0.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "0.48-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "0.49-1",
            "evidence": "/affected/1/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "USN-8940-1",
      "aliases": [
        "USN-8940-1"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.49-1ubuntu1"
                }
              ]
            }
          ],
          "package": {
            "name": "libxs-parse-keyword-perl",
            "purl": "pkg:deb/ubuntu/libxs-parse-keyword-perl?arch=source&distro=stonking",
            "ecosystem": "Ubuntu:26.10"
          },
          "versions": [
            "0.49-1",
            "0.49-1build1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8940-1.json",
            "cves_map": {
              "cves": [
                {
                  "id": "CVE-2026-85644",
                  "severity": [
                    {
                      "type": "CVSS_V3",
                      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                    },
                    {
                      "type": "Ubuntu",
                      "score": "medium"
                    }
                  ]
                }
              ],
              "ecosystem": "Ubuntu:26.10"
            }
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libxs-parse-keyword-perl",
                "binary_version": "0.49-1ubuntu1"
              }
            ],
            "availability": "No subscription required"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.49-1ubuntu0.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libxs-parse-keyword-perl",
            "purl": "pkg:deb/ubuntu/libxs-parse-keyword-perl?arch=source&distro=resolute",
            "ecosystem": "Ubuntu:26.04:LTS"
          },
          "versions": [
            "0.48-2",
            "0.49-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8940-1.json",
            "cves_map": {
              "cves": [
                {
                  "id": "CVE-2026-85644",
                  "severity": [
                    {
                      "type": "CVSS_V3",
                      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                    },
                    {
                      "type": "Ubuntu",
                      "score": "medium"
                    }
                  ]
                }
              ],
              "ecosystem": "Ubuntu:26.04:LTS"
            }
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libxs-parse-keyword-perl",
                "binary_version": "0.49-1ubuntu0.1"
              }
            ],
            "availability": "No subscription required"
          }
        }
      ],
      "modified": "2026-10-21T04:41:56.356651818Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-85644",
        "UBUNTU-CVE-2026-85644"
      ],
      "references": [
        "https://ubuntu.com/security/notices/USN-8940-1",
        "https://ubuntu.com/security/CVE-2026-85644"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-85644",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 391587,
  "published_at": "2026-10-20T03:21:29+00:00"
}