{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-11680","assignerOrgId":"bec8025f-a851-46e5-b3a3-058e6b0aa23c","state":"PUBLISHED","assignerShortName":"Nozomi","dateReserved":"2025-10-13T09:57:01.900Z","datePublished":"2025-10-20T14:04:06.854Z","dateUpdated":"2025-10-20T14:34:57.848Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://libwebsockets.org/git/libwebsockets","defaultStatus":"unaffected","modules":["unfilter_scanline"],"product":"libwebsockets","vendor":"warmcat","versions":[{"lessThanOrEqual":"4.4.2","status":"affected","version":"4.0","versionType":"semver"},{"lessThanOrEqual":"4.3.6","status":"affected","version":"4.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Raffaele Bova at Nozomi Networks"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Out-of-bounds Write in unfilter_scanline in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a crafted PNG file with a big width value that causes an integer overflow which value is used for determining the size of a heap allocation."}],"value":"Out-of-bounds Write in unfilter_scanline in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a crafted PNG file with a big width value that causes an integer overflow which value is used for determining the size of a heap allocation."}],"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":5.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"bec8025f-a851-46e5-b3a3-058e6b0aa23c","shortName":"Nozomi","dateUpdated":"2025-10-20T14:04:06.854Z"},"references":[{"tags":["patch","vendor-advisory"],"url":"https://libwebsockets.org/git/libwebsockets/commit?id=2b715249f39291c86443b969a1088d59b6a89b78"},{"tags":["third-party-advisory"],"url":"https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-11680"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Update the library to its latest stable release, if not possible backport the fix commit 2b715249f39291c86443b969a1088d59b6a89b78"}],"value":"Update the library to its latest stable release, if not possible backport the fix commit 2b715249f39291c86443b969a1088d59b6a89b78"}],"source":{"discovery":"EXTERNAL"},"title":"Out-of-bounds Write in libwebsockets PNG parsing","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-20T14:34:46.949292Z","id":"CVE-2025-11680","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":"2025-10-20T14:34:57.848Z"}}]}}