{"id":"CVE-2026-54715","state":"PUBLISHED","title":"GoAccess: Heap Out-of-Bounds Write in parse_browser()","description":"GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through the browser. In version 1.10.2, parse_browser assumes the matched browser token begins with Opera and moves a trailing version substring to match plus five, allowing a crafted User-Agent in a processed access log to write one to four attacker-influenced bytes beyond the heap allocation and corrupt or crash GoAccess. This issue is fixed in version 1.11.","publishedAt":"2026-07-30T20:23:36.554Z","updatedAt":"2026-07-31T15:30:19.164Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["allinurl goaccess"],"affected":[{"vendor":"allinurl","product":"goaccess","versions":[{"version":">= 1.10.2, < 1.11","status":"affected"}]}],"references":["https://github.com/allinurl/goaccess/security/advisories/GHSA-qcx5-vh2x-35fr","https://github.com/allinurl/goaccess/commit/81f90d9dafd6956c188dea9f944d24946d3d3351"],"weaknesses":["CWE-122","CWE-787"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54715.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54715","state":"PUBLISHED","datePublished":"2026-07-30T20:23:36.554Z","dateUpdated":"2026-07-31T15:30:19.164Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-15T22:58:06.564Z"},"containers":{"cna":{"title":"GoAccess: Heap Out-of-Bounds Write in parse_browser()","descriptions":[{"lang":"en","value":"GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through the browser. In version 1.10.2, parse_browser assumes the matched browser token begins with Opera and moves a trailing version substring to match plus five, allowing a crafted User-Agent in a processed access log to write one to four attacker-influenced bytes beyond the heap allocation and corrupt or crash GoAccess. This issue is fixed in version 1.11."}],"affected":[{"vendor":"allinurl","product":"goaccess","versions":[{"version":">= 1.10.2, < 1.11","status":"affected"}]}],"references":[{"url":"https://github.com/allinurl/goaccess/security/advisories/GHSA-qcx5-vh2x-35fr","name":"https://github.com/allinurl/goaccess/security/advisories/GHSA-qcx5-vh2x-35fr","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/allinurl/goaccess/commit/81f90d9dafd6956c188dea9f944d24946d3d3351","name":"https://github.com/allinurl/goaccess/commit/81f90d9dafd6956c188dea9f944d24946d3d3351","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122: Heap-based Buffer Overflow","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"CWE-787: Out-of-bounds Write","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-30T20:27:10.619Z"},"source":{"advisory":"GHSA-qcx5-vh2x-35fr","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/allinurl/goaccess/security/advisories/GHSA-qcx5-vh2x-35fr","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-31T15:30:10.691219Z","id":"CVE-2026-54715","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-31T15:30:19.164Z"}}]}}}