{"id":"CVE-2026-15718","state":"PUBLISHED","title":"Invalid pointer in the JavaScript: WebAssembly component","description":"We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 140.13, and Thunderbird 140.13.","publishedAt":"2026-07-14T12:15:46.176Z","updatedAt":"2026-07-22T19:19:21.078Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox","Mozilla Thunderbird"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"140.13","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"152.0.6","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.13","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=2045443","https://www.mozilla.org/security/advisories/mfsa2026-67/","https://www.mozilla.org/security/advisories/mfsa2026-70/","https://www.mozilla.org/security/advisories/mfsa2026-72/"],"weaknesses":["CWE-763"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/15xxx/CVE-2026-15718.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15718","state":"PUBLISHED","datePublished":"2026-07-14T12:15:46.176Z","dateUpdated":"2026-07-22T19:19:21.078Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2026-07-14T12:15:45.500Z"},"containers":{"cna":{"title":"Invalid pointer in the JavaScript: WebAssembly component","descriptions":[{"lang":"en","value":"We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 140.13, and Thunderbird 140.13."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"140.13","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"152.0.6","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.13","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2045443"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-67/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-70/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-72/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-07-22T19:19:21.078Z"},"credits":[{"lang":"en","value":"Christian Holler"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-14T13:34:48.369595Z","id":"CVE-2026-15718","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-763","type":"CWE","lang":"en","description":"CWE-763 Release of Invalid Pointer or Reference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-14T13:35:17.223Z"}}]}}}