ruby3.1, ruby3.3 — security advisory

{
  "id": "6ed531eed41620934e50bca23db7c32ee6e26cfc219787979ffec90ea8639a0a",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-89078",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2026-89078",
    "summary": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to a double free issue when parsing a specially crafted regular expression in a CI/CD configuration.",
    "evidence": "osv:DEBIAN-CVE-2026-89078",
    "products": [
      {
        "name": {
          "value": "ruby3.1",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.1.2-7",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.2-7+deb12u1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.2-7+hurd.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.2-8",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.2-8.1~exp1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.2-8.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.2-8.4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.2-8.5",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "ruby3.3",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.3.8-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.3.8-2.1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.3.8-2.2",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "ruby3.3",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.3.8-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "3.3.8-2.1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "3.3.8-2.2",
            "evidence": "/affected/2/versions"
          }
        ]
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "DEBIAN-CVE-2026-89078",
      "aliases": [
        "DEBIAN-CVE-2026-89078"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "ruby3.1",
            "purl": "pkg:deb/debian/ruby3.1?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "versions": [
            "3.1.2-7",
            "3.1.2-7+deb12u1",
            "3.1.2-7+hurd.1",
            "3.1.2-8",
            "3.1.2-8.1~exp1",
            "3.1.2-8.3",
            "3.1.2-8.4",
            "3.1.2-8.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-89078.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "ruby3.3",
            "purl": "pkg:deb/debian/ruby3.3?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "versions": [
            "3.3.8-2",
            "3.3.8-2.1",
            "3.3.8-2.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-89078.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "ruby3.3",
            "purl": "pkg:deb/debian/ruby3.3?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "versions": [
            "3.3.8-2",
            "3.3.8-2.1",
            "3.3.8-2.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-89078.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-31T09:47:26.798204161Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-89078"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2026-89078"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-89078",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 443938,
  "published_at": "2026-09-24T00:17:22.06+00:00"
}