{"id":"CVE-2026-46603","state":"PUBLISHED","title":"Excessive memory allocation during VP8L decoding in golang.org/x/image","description":"VP8L decoding in golang.org/x/image/vp8l can allocate an excessive amount of memory when processing a crafted VP8L image containing many unused Huffman tree groups. This allows a remote attacker to cause a denial of service via memory exhaustion.","publishedAt":"2026-08-14T16:38:16.879Z","updatedAt":"2026-08-14T19:36:57.436Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Go","products":["golang.org/x/image golang.org/x/image/vp8l"],"affected":[{"vendor":"golang.org/x/image","product":"golang.org/x/image/vp8l","packageName":"golang.org/x/image/vp8l","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.45.0","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"decoder.decodeHuffmanGroups"},{"name":"decoder.decodeHuffmanTree"},{"name":"Decode"}]}],"references":["https://go.dev/issue/80069","https://go.dev/cl/793460","https://pkg.go.dev/vuln/GO-2026-6222"],"weaknesses":["CWE-789"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46603.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46603","state":"PUBLISHED","datePublished":"2026-08-14T16:38:16.879Z","dateUpdated":"2026-08-14T19:36:57.436Z","assignerShortName":"Go","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateReserved":"2026-05-15T17:35:00.814Z"},"containers":{"cna":{"title":"Excessive memory allocation during VP8L decoding in golang.org/x/image","descriptions":[{"lang":"en","value":"VP8L decoding in golang.org/x/image/vp8l can allocate an excessive amount of memory when processing a crafted VP8L image containing many unused Huffman tree groups. This allows a remote attacker to cause a denial of service via memory exhaustion."}],"affected":[{"vendor":"golang.org/x/image","product":"golang.org/x/image/vp8l","packageName":"golang.org/x/image/vp8l","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.45.0","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"decoder.decodeHuffmanGroups"},{"name":"decoder.decodeHuffmanTree"},{"name":"Decode"}]}],"references":[{"url":"https://go.dev/issue/80069"},{"url":"https://go.dev/cl/793460"},{"url":"https://pkg.go.dev/vuln/GO-2026-6222"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-789: Memory Allocation with Excessive Size Value"}]}],"providerMetadata":{"shortName":"Go","orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateUpdated":"2026-08-14T16:38:16.879Z"},"credits":[{"lang":"en","value":"Daniele Ballarini"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T19:36:26.966791Z","id":"CVE-2026-46603","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-789","type":"CWE","lang":"en","description":"CWE-789 Memory Allocation with Excessive Size Value"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-14T19:36:57.436Z"}}]}}}