{"id":"CVE-2026-33813","sourceIdentifier":"security@golang.org","published":"2026-04-21T20:16:56.387","lastModified":"2026-06-25T20:17:10.897","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Parsing a WEBP image with an invalid, large size panics on 32-bit platforms."}],"affected":[{"source":"security@golang.org","affectedData":[{"vendor":"golang.org/x/image","product":"golang.org/x/image/webp","defaultStatus":"unaffected","collectionURL":"https://pkg.go.dev","packageName":"golang.org/x/image/webp","programRoutines":[{"name":"decode"},{"name":"Decode"},{"name":"DecodeConfig"}],"versions":[{"version":"0","lessThan":"0.42.0","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-04-22T15:23:43.643284Z","id":"CVE-2026-33813","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:golang:image:*:*:*:*:*:go:*:*","versionEndExcluding":"0.39.0","matchCriteriaId":"C0501D26-73D5-4E11-80EE-77576FB64671"}]}]}],"references":[{"url":"https://go.dev/cl/759860","source":"security@golang.org","tags":["Patch"]},{"url":"https://go.dev/cl/780860","source":"security@golang.org"},{"url":"https://go.dev/issue/78407","source":"security@golang.org","tags":["Issue Tracking"]},{"url":"https://pkg.go.dev/vuln/GO-2026-4961","source":"security@golang.org","tags":["Vendor Advisory"]}]}