{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-1933","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","state":"PUBLISHED","assignerShortName":"mozilla","dateReserved":"2025-03-04T12:29:32.686Z","datePublished":"2025-03-04T13:31:23.856Z","dateUpdated":"2026-04-13T14:27:38.226Z"},"containers":{"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"status":"unaffected","version":"115.21","lessThanOrEqual":"115.*","versionType":"rpm"},{"status":"unaffected","version":"128.8","lessThanOrEqual":"128.*","versionType":"rpm"},{"status":"unaffected","version":"136","lessThanOrEqual":"*","versionType":"rpm"}]},{"product":"Thunderbird","vendor":"Mozilla","versions":[{"status":"unaffected","version":"128.8","lessThanOrEqual":"128.*","versionType":"rpm"},{"status":"unaffected","version":"136","lessThanOrEqual":"*","versionType":"rpm"}]}],"descriptions":[{"lang":"en","value":"On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.","supportingMedia":[{"type":"text/html","base64":false,"value":"On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8."}]}],"title":"JIT corruption of WASM i32 return values on 64-bit CPUs","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1946004"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-14/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-15/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-16/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-17/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-18/"}],"credits":[{"lang":"en","value":"Xiangwei Zhang and kkdong of Tencent Security YUNDING LAB"}],"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2026-04-13T14:27:38.226Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-noinfo Not enough information"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.6,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-03-04T15:58:36.269836Z","id":"CVE-2025-1933","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":"2025-03-25T14:01:27.624Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00006.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T20:57:18.028Z"}}]}}