{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120436", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-02T12:42:14.231Z", "datePublished": "2026-11-02T14:28:59.204Z", "dateUpdated": "2026-11-02T17:34:08.399Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-02T14:28:59.204Z"}, "datePublic": "2026-09-08T00:00:00.000Z", "title": "Netpbm before 10.86.51, 11.02.30, and 11.15.08 Heap Overflow via jbigtopnm", "descriptions": [{"lang": "en", "value": "Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains an integer overflow in jbigtopnm that causes heap buffer overflow when computing output buffer size. Attackers can supply a crafted multi-plane JBIG file with large header dimensions so jbg_dec_merge_planes() overflows the undersized buffer, causing crashes or potentially code execution."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Integer Overflow or Wraparound", "cweId": "CWE-190", "type": "CWE"}]}], "affected": [{"vendor": "Netpbm", "product": "Netpbm", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "10.86.51", "status": "affected", "versionType": "custom"}, {"version": "11.0", "lessThan": "11.02.30", "status": "affected", "versionType": "custom"}, {"version": "11.03", "lessThan": "11.15.08", "status": "affected", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:netpbm_project:netpbm:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.86.51"}, {"vulnerable": true, "criteria": "cpe:2.3:a:netpbm_project:netpbm:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.0", "versionEndExcluding": "11.02.30"}, {"vulnerable": true, "criteria": "cpe:2.3:a:netpbm_project:netpbm:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.03", "versionEndExcluding": "11.15.08"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "references": [{"url": "https://sourceforge.net/p/netpbm/code/5324/", "tags": ["patch"]}, {"url": "https://svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORY", "tags": ["release-notes"]}, {"url": "https://svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORY", "tags": ["release-notes"]}, {"url": "https://svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORY", "tags": ["release-notes"]}, {"url": "https://svn.code.sf.net/p/netpbm/code/!svn/bc/5323/trunk/converter/other/jbig/jbigtopnm.c", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: Netpbm before 10.86.51, 11.02.30, and 11.15.08 Heap Overflow via jbigtopnm", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.30-and-11.15.08-heap-overflow-via-jbigtopnm"}], "credits": [{"lang": "en", "value": "Tristan Madani (Talence Security)", "type": "finder"}, {"lang": "en", "value": "Bryan Henderson", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-02T17:10:22.514852Z", "id": "CVE-2026-120436", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-11-02T17:34:08.399Z"}}]}}