{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.11"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "ba813ed97d998dbdcb8d87e178799a4bb2da9e81"
            }
          ],
          "repo": "https://github.com/allinurl/goaccess",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-5phr-qpgf-hgrg"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55777.json"
  },
  "details": "GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through the browser. Prior to 1.11, the parse_ios() function uses an attacker-controlled keyword-to-OS offset as both the source offset and copy length for memmove, allowing a crafted User-Agent in a processed access log to read up to approximately 4 KB beyond the heap allocation and conditionally crash GoAccess. This issue is fixed in version 1.11.",
  "id": "CVE-2026-55777",
  "modified": "2026-09-10T03:30:48.323581456Z",
  "published": "2026-07-30T20:37:40.575Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55777.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/allinurl/goaccess/security/advisories/GHSA-5phr-qpgf-hgrg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55777"
    },
    {
      "type": "FIX",
      "url": "https://github.com/allinurl/goaccess/commit/ba813ed97d998dbdcb8d87e178799a4bb2da9e81"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "GoAccess: Out-of-bounds heap read in parse_ios() via crafted User-Agent leads to remote crash/DoS"
}