{"id":"CVE-2026-42500","state":"PUBLISHED","title":"Panic when reading out of bound palette index in golang.org/x/image/bmp","description":"Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.","publishedAt":"2026-05-29T18:36:28.283Z","updatedAt":"2026-05-29T19:51:38.147Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"CISA-ADP"},"assigner":"Go","products":["golang.org/x/image golang.org/x/image/bmp"],"affected":[{"vendor":"golang.org/x/image","product":"golang.org/x/image/bmp","packageName":"golang.org/x/image/bmp","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.41.0","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"decodePaletted"},{"name":"Decode"}]}],"references":["https://go.dev/issue/79576","https://groups.google.com/g/golang-announce/c/uhYX90BlBvI","https://go.dev/cl/781500","https://pkg.go.dev/vuln/GO-2026-5031"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/42xxx/CVE-2026-42500.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42500","state":"PUBLISHED","datePublished":"2026-05-29T18:36:28.283Z","dateUpdated":"2026-05-29T19:51:38.147Z","assignerShortName":"Go","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateReserved":"2026-04-28T00:21:12.791Z"},"containers":{"cna":{"title":"Panic when reading out of bound palette index in golang.org/x/image/bmp","descriptions":[{"lang":"en","value":"Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image."}],"affected":[{"vendor":"golang.org/x/image","product":"golang.org/x/image/bmp","packageName":"golang.org/x/image/bmp","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.41.0","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"decodePaletted"},{"name":"Decode"}]}],"references":[{"url":"https://go.dev/issue/79576"},{"url":"https://groups.google.com/g/golang-announce/c/uhYX90BlBvI"},{"url":"https://go.dev/cl/781500"},{"url":"https://pkg.go.dev/vuln/GO-2026-5031"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-129: Improper Validation of Array Index"}]}],"providerMetadata":{"shortName":"Go","orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateUpdated":"2026-05-29T18:36:28.283Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-29T19:51:07.816824Z","id":"CVE-2026-42500","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-29T19:51:38.147Z"}}]}}}