{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6654","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","state":"PUBLISHED","assignerShortName":"mozilla","dateReserved":"2026-04-20T07:02:28.158Z","datePublished":"2026-04-20T10:05:52.339Z","dateUpdated":"2026-04-20T13:14:37.846Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2026-04-20T10:06:38.044Z"},"title":"Use-After-Free and Double-Free in IntoIter::drop when element drop panics","affected":[{"vendor":"Mozilla","product":"thin-vec","versions":[{"status":"unaffected","version":"0.2.16","lessThanOrEqual":"*","versionType":"rpm"}],"defaultStatus":"unknown"}],"descriptions":[{"lang":"en","value":"Double-Free / Use-After-Free (UAF) in the `IntoIter::drop` and `ThinVec::clear` functions in the thin_vec crate. A panic in `ptr::drop_in_place` skips setting the length to zero."}],"references":[{"url":"https://github.com/mozilla/thin-vec/security/advisories/GHSA-xphw-cqx3-667j"}],"credits":[{"lang":"en","value":"Juhyung Son","type":"finder"}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-415","lang":"en","description":"CWE-415 Double Free"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-416","lang":"en","description":"CWE-416 Use After Free"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.1,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-20T13:14:05.808412Z","id":"CVE-2026-6654","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-20T13:14:37.846Z"}}]}}