CVE-2026-24793

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-24793", "assignerOrgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", "state": "PUBLISHED", "assignerShortName": "GovTech CSG", "dateReserved": "2026-01-27T08:18:43.267Z", "datePublished": "2026-01-27T08:19:41.350Z", "dateUpdated": "2026-01-27T21:39:36.880Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://github.com/azerothcore/azerothcore-wotlk", "defaultStatus": "affected", "modules": ["deps/zlib"], "product": "azerothcore-wotlk", "programFiles": ["inflate.c"], "vendor": "azerothcore", "versions": [{"lessThanOrEqual": "v4.0.0", "status": "affected", "version": "0", "versionType": "git"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "TITAN Team (titancaproject@gmail.com)"}], "datePublic": "2026-01-27T08:19:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in azerothcore azerothcore-wotlk (deps/zlib modules).<p> This vulnerability is associated with program files <tt>inflate.C</tt>.</p><p>This issue affects azerothcore-wotlk: through v4.0.0.</p>"}], "value": "Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in azerothcore azerothcore-wotlk (deps/zlib modules). This vulnerability is associated with program files inflate.C.\n\nThis issue affects azerothcore-wotlk: through v4.0.0."}], "metrics": [{"cvssV4_0": {"Automatable": "YES", "Recovery": "USER", "Safety": "NEGLIGIBLE", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 10, "baseSeverity": "CRITICAL", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "RED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:C/RE:L/U:Red", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "LOW"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", "shortName": "GovTech CSG", "dateUpdated": "2026-01-27T08:19:41.350Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/azerothcore/azerothcore-wotlk/pull/21599"}], "source": {"discovery": "UNKNOWN"}, "title": "A heap-based buffer over-read or buffer overflow vulnerability in azerothcore/azerothcore-wotlk", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"references": [{"url": "https://github.com/azerothcore/azerothcore-wotlk/pull/21599", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-27T21:10:19.065736Z", "id": "CVE-2026-24793", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-27T21:39:36.880Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-24793", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-01-27T21:10:19.065736Z"}}}], "references": [{"url": "https://github.com/azerothcore/azerothcore-wotlk/pull/21599", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-27T21:10:21.267Z"}}], "cna": {"title": "A heap-based buffer over-read or buffer overflow vulnerability in azerothcore/azerothcore-wotlk", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "reporter", "value": "TITAN Team (titancaproject@gmail.com)"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NEGLIGIBLE", "version": "4.0", "Recovery": "USER", "baseScore": 10, "Automatable": "YES", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:C/RE:L/U:Red", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "RED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "azerothcore", "modules": ["deps/zlib"], "product": "azerothcore-wotlk", "versions": [{"status": "affected", "version": "0", "versionType": "git", "lessThanOrEqual": "v4.0.0"}], "programFiles": ["inflate.c"], "collectionURL": "https://github.com/azerothcore/azerothcore-wotlk", "defaultStatus": "affected"}], "datePublic": "2026-01-27T08:19:00.000Z", "references": [{"url": "https://github.com/azerothcore/azerothcore-wotlk/pull/21599", "tags": ["patch"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in azerothcore azerothcore-wotlk (deps/zlib modules). This vulnerability is associated with program files inflate.C.\n\nThis issue affects azerothcore-wotlk: through v4.0.0.", "supportingMedia": [{"type": "text/html", "value": "Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in azerothcore azerothcore-wotlk (deps/zlib modules).<p> This vulnerability is associated with program files <tt>inflate.C</tt>.</p><p>This issue affects azerothcore-wotlk: through v4.0.0.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "providerMetadata": {"orgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", "shortName": "GovTech CSG", "dateUpdated": "2026-01-27T08:19:41.350Z"}}}, "cveMetadata": {"cveId": "CVE-2026-24793", "state": "PUBLISHED", "dateUpdated": "2026-01-27T21:39:36.880Z", "dateReserved": "2026-01-27T08:18:43.267Z", "assignerOrgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", "datePublished": "2026-01-27T08:19:41.350Z", "assignerShortName": "GovTech CSG"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://github.com/azerothcore/azerothcore-wotlk", "defaultStatus": "affected", "modules": ["deps/zlib"], "product": "azerothcore-wotlk", "programFiles": ["inflate.c"], "vendor": "azerothcore", "versions": [{"lessThanOrEqual": "v4.0.0", "status": "affected", "version": "0", "versionType": "git"}]}], "source": "cve_disclosure@tech.gov.sg"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:azerothcore:azerothcore:*:*:*:*:*:*:*:*", "matchCriteriaId": "AE036358-4563-4293-A68F-F65968D7E29B", "versionEndIncluding": "4.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in azerothcore azerothcore-wotlk (deps/zlib modules). This vulnerability is associated with program files inflate.C.\n\nThis issue affects azerothcore-wotlk: through v4.0.0."}, {"lang": "es", "value": "Vulnerabilidad de escritura fuera de l\u00edmites, copia del b\u00fafer sin verificar el tama\u00f1o de la entrada ('Desbordamiento de b\u00fafer cl\u00e1sico') en azerothcore azerothcore-wotlk (m\u00f3dulos deps/zlib). Esta vulnerabilidad est\u00e1 asociada con los archivos de programa inflate.C.\n\nEste problema afecta a azerothcore-wotlk: hasta la v4.0.0."}], "id": "CVE-2026-24793", "lastModified": "2026-06-17T10:23:35.970", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "USER", "Safety": "NEGLIGIBLE", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 10.0, "baseSeverity": "CRITICAL", "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": "RED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:N/AU:Y/R:U/V:C/RE:L/U:Red", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "LOW"}, "source": "cve_disclosure@tech.gov.sg", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-24793", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-01-27T21:10:19.065736Z", "version": "2.0.3"}}]}, "published": "2026-01-27T09:15:48.940", "references": [{"source": "cve_disclosure@tech.gov.sg", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/azerothcore/azerothcore-wotlk/pull/21599"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/azerothcore/azerothcore-wotlk/pull/21599"}], "sourceIdentifier": "cve_disclosure@tech.gov.sg", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}, {"lang": "en", "value": "CWE-787"}], "source": "cve_disclosure@tech.gov.sg", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-18T02:28:56.859801+00:00", "value": {"mitigation_remediation": ["Upgrade to a version of AzerothCore WotLK newer than 4.0.0 that addresses the buffer overflow in inflate.C.", "Restrict or validate any compressed data processed by the server to ensure it originates from trusted sources and conforms to size limits.", "Apply application\u2011level defenses such as memory hardening, use of recent zlib releases, and input validation to mitigate potential exploitation of similar weaknesses."], "summary": {"action": "Patch Immediately", "impact": "Memory corruption that may enable arbitrary code execution or denial of service"}, "threat_synthesis": {"affected_systems": "AzerothCore WotLK, any build through version 4.0.0.", "description_and_impact": "A buffer copy without checking the size of input in the inflate.C module of AzerothCore WotLK allows a heap\u2011based out\u2011of\u2011bounds write. The overflow can corrupt adjacent memory, which could be leveraged to execute arbitrary code or cause a crash, thereby compromising confidentiality, integrity, or availability of the application.", "risk_and_exploitability": "The CVSS score of 10 indicates a critical severity, but the EPSS score of less than 1% suggests that the likelihood of exploitation remains low at present. It has not been listed in the CISA KEV catalog. The most probable attack vector involves a malicious compressed data stream processed by the vulnerable inflate function, which could be sent remotely to a server running the affected build."}}}}, "created": "2026-01-27T20:16:57.919015+00:00", "updated": "2026-04-18T02:30:15.871638+00:00", "vendors": ["azerothcore", "azerothcore$PRODUCT$wotlk"]}