gitlab-rails-ce-fips-18.9 — security advisory

{
  "id": "b1b6d9a837828decb96cd7266b490de0c6ab3473666279a98f6f0b880f6735a2",
  "url": "https://osv.dev/vulnerability/CGA-5c4v-g7g9-hw7g",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-5c4v-g7g9-hw7g",
    "summary": "CGA-5c4v-g7g9-hw7g",
    "evidence": "osv:CGA-5c4v-g7g9-hw7g",
    "products": [
      {
        "name": {
          "value": "gitlab-rails-ce-fips-18.9",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "18.9.8-r8",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CGA-5c4v-g7g9-hw7g",
      "aliases": [
        "CGA-5c4v-g7g9-hw7g"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "18.9.8-r8"
                }
              ]
            }
          ],
          "package": {
            "name": "gitlab-rails-ce-fips-18.9",
            "purl": "pkg:apk/chainguard/gitlab-rails-ce-fips-18.9?arch=aarch64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-5c4v-g7g9-hw7g.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "webpack-dev-middleware",
                "component_purl": "pkg:npm/webpack-dev-middleware@5.3.4",
                "component_type": "npm",
                "component_version": "5.3.4",
                "component_location": "/srv/gitlab/yarn.lock",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-09T03:58:48Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-09T10:17:57.501848685Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-76844",
        "GHSA-g84c-rxfj-3j2c",
        "GHSA-p3f5-w63m-mxph"
      ],
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76844.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-76844",
        "https://www.vulncheck.com/advisories/zlib-1.3.1.2-through-1.3.2-heap-buffer-overflow-via-gz-vacate",
        "https://github.com/madler/zlib/commit/df84af25dc1942490e1d1c899a07619152a46148",
        "https://github.com/madler/zlib",
        "https://github.com/madler/zlib/blob/v1.3.2/gzwrite.c#L393",
        "https://gist.github.com/thesmartshadow/e0b9481792afb7c31e86fee1ff084490"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-76844",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 115788,
  "published_at": "2026-09-30T13:24:55+00:00"
}