{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-11679", "assignerOrgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "state": "PUBLISHED", "assignerShortName": "Nozomi", "dateReserved": "2025-10-13T09:56:49.533Z", "datePublished": "2025-10-20T13:58:31.286Z", "dateUpdated": "2025-10-20T14:03:41.592Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://libwebsockets.org/git/libwebsockets", "defaultStatus": "unaffected", "modules": ["lws_upng_emit_next_line"], "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 Read in lws_upng_emit_next_line in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to read 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 height dimension."}], "value": "Out-of-bounds Read in lws_upng_emit_next_line in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to read 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 height dimension."}], "impacts": [{"capecId": "CAPEC-540", "descriptions": [{"lang": "en", "value": "CAPEC-540 Overread 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-125", "description": "CWE-125 Out-of-bounds Read", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "shortName": "Nozomi", "dateUpdated": "2025-10-20T13:58:31.286Z"}, "references": [{"tags": ["patch", "vendor-advisory"], "url": "https://libwebsockets.org/git/libwebsockets/commit?id=7df24cca7144d7bc9233b6b0a71108bd154ce101"}, {"tags": ["third-party-advisory"], "url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-11679"}], "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 7df24cca7144d7bc9233b6b0a71108bd154ce101"}], "value": "Update the library to its latest stable release, if not possible backport the fix commit 7df24cca7144d7bc9233b6b0a71108bd154ce101"}], "source": {"discovery": "EXTERNAL"}, "title": "Out-of-bounds Read in libwebsockets PNG parsing", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-20T14:02:56.942722Z", "id": "CVE-2025-11679", "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": "2025-10-20T14:03:41.592Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-11679", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-20T14:02:56.942722Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-20T14:03:20.604Z"}}], "cna": {"title": "Out-of-bounds Read in libwebsockets PNG parsing", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Raffaele Bova at Nozomi Networks"}], "impacts": [{"capecId": "CAPEC-540", "descriptions": [{"lang": "en", "value": "CAPEC-540 Overread Buffers"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "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", "providerUrgency": "NOT_DEFINED", "userInteraction": "ACTIVE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "warmcat", "modules": ["lws_upng_emit_next_line"], "product": "libwebsockets", "versions": [{"status": "affected", "version": "4.0", "versionType": "semver", "lessThanOrEqual": "4.4.2"}, {"status": "affected", "version": "4.0", "versionType": "semver", "lessThanOrEqual": "4.3.6"}], "collectionURL": "https://libwebsockets.org/git/libwebsockets", "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update the library to its latest stable release, if not possible backport the fix commit 7df24cca7144d7bc9233b6b0a71108bd154ce101", "supportingMedia": [{"type": "text/html", "value": "Update the library to its latest stable release, if not possible backport the fix commit 7df24cca7144d7bc9233b6b0a71108bd154ce101", "base64": false}]}], "references": [{"url": "https://libwebsockets.org/git/libwebsockets/commit?id=7df24cca7144d7bc9233b6b0a71108bd154ce101", "tags": ["patch", "vendor-advisory"]}, {"url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-11679", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Out-of-bounds Read in lws_upng_emit_next_line in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to read 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 height dimension.", "supportingMedia": [{"type": "text/html", "value": "Out-of-bounds Read in lws_upng_emit_next_line in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to read 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 height dimension.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "providerMetadata": {"orgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "shortName": "Nozomi", "dateUpdated": "2025-10-20T13:58:31.286Z"}}}, "cveMetadata": {"cveId": "CVE-2025-11679", "state": "PUBLISHED", "dateUpdated": "2025-10-20T14:03:41.592Z", "dateReserved": "2025-10-13T09:56:49.533Z", "assignerOrgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "datePublished": "2025-10-20T13:58:31.286Z", "assignerShortName": "Nozomi"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Out-of-bounds Read in lws_upng_emit_next_line in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to read 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 height dimension."}], "id": "CVE-2025-11679", "lastModified": "2025-10-20T14:15:40.353", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "prodsec@nozominetworks.com", "type": "Secondary"}]}, "published": "2025-10-20T14:15:40.353", "references": [{"source": "prodsec@nozominetworks.com", "url": "https://libwebsockets.org/git/libwebsockets/commit?id=7df24cca7144d7bc9233b6b0a71108bd154ce101"}, {"source": "prodsec@nozominetworks.com", "url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-11679"}], "sourceIdentifier": "prodsec@nozominetworks.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "prodsec@nozominetworks.com", "type": "Primary"}]}

{"bugzilla": {"description": "libwebsockets: Out-of-bounds Read in libwebsockets PNG parsing", "id": "2405115", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2405115"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["No description is available for this CVE."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-11679", "package_state": [{"cpe": "cpe:/a:redhat:amq_interconnect:1", "fix_state": "Fix deferred", "package_name": "libwebsockets", "product_name": "A-MQ Interconnect 1"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Fix deferred", "package_name": "libwebsockets", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:17.1", "fix_state": "Fix deferred", "package_name": "libwebsockets", "product_name": "Red Hat OpenStack Platform 17.1"}, {"cpe": "cpe:/a:redhat:service_interconnect:2", "fix_state": "Fix deferred", "package_name": "libwebsockets", "product_name": "Red Hat Service Interconnect 2"}], "public_date": "2025-10-20T13:58:31Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-11679\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-11679\nhttps://libwebsockets.org/git/libwebsockets/commit?id=7df24cca7144d7bc9233b6b0a71108bd154ce101\nhttps://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-11679"], "threat_severity": "Low"}

{}