{
  "published": "2026-09-13T00:24:40Z",
  "modified": "2026-09-13T00:24:40Z",
  "schema_version": "1.7.5",
  "id": "CGA-m46g-37hm-gpgh",
  "severity": [
    {
      "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"
    }
  ],
  "upstream": [
    "CVE-2026-85091",
    "GHSA-g5fp-32jq-cfw2"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85091.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85091"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/zlib-1.3.1.2-through-1.3.2-heap-buffer-overflow-via-gz-vacate"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/madler/zlib"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/madler/zlib/blob/v1.3.2/gzwrite.c#L393"
    },
    {
      "type": "EVIDENCE",
      "url": "https://gist.github.com/thesmartshadow/e0b9481792afb7c31e86fee1ff084490"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Chainguard",
        "name": "zlib-dev",
        "purl": "pkg:apk/chainguard/zlib-dev?arch=x86_64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "zlib-dev",
            "component_version": "1.3.2-r5",
            "component_type": "apk",
            "component_location": "/.PKGINFO",
            "component_purl": "pkg:apk/zlib-dev@1.3.2-r5",
            "latest_event_status": "detection",
            "latest_event_timestamp": "2026-09-13T00:24:40Z"
          }
        ]
      }
    },
    {
      "package": {
        "ecosystem": "Wolfi",
        "name": "zlib-dev",
        "purl": "pkg:apk/wolfi/zlib-dev?arch=x86_64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "zlib-dev",
            "component_version": "1.3.2-r5",
            "component_type": "apk",
            "component_location": "/.PKGINFO",
            "component_purl": "pkg:apk/zlib-dev@1.3.2-r5",
            "latest_event_status": "detection",
            "latest_event_timestamp": "2026-09-13T00:24:40Z"
          }
        ]
      }
    }
  ]
}