{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31911","assignerOrgId":"cfdbb673-b408-4d03-89c1-c3d73ed80896","state":"PUBLISHED","assignerShortName":"Tcpdump","dateReserved":"2026-03-10T09:30:50.972Z","datePublished":"2026-09-05T18:50:03.936Z","dateUpdated":"2026-09-08T15:13:10.881Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","modules":["BPF interpreter"],"product":"libpcap","programFiles":["bpf_filter.c"],"programRoutines":[{"name":"pcapint_filter_with_aux_data()"}],"repo":"https://github.com/the-tcpdump-group/libpcap/","vendor":"The Tcpdump Group","versions":[{"lessThan":"1.10.7","status":"affected","version":"0","versionType":"semver"}]}],"configurations":[{"lang":"en","value":"The problem is specific to applications that use pcap_offline_filter() or bpf_filter() with an externally-supplied compiled filter program (whether validated or not)."}],"credits":[{"lang":"en","type":"reporter","value":"FuzzAnything Organization"}],"descriptions":[{"lang":"en","value":"libpcap BPF interpreter calls abort() if it encounters a BPF instruction that has an invalid opcode.  In particular uncommon use cases a crafted filter program can terminate the OS process."}],"exploits":[{"lang":"en","value":"A functional exploit exists."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-617","description":"CWE-617 Reachable Assertion","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"cfdbb673-b408-4d03-89c1-c3d73ed80896","shortName":"Tcpdump","dateUpdated":"2026-09-05T18:50:03.936Z"},"references":[{"tags":["patch"],"url":"https://github.com/the-tcpdump-group/libpcap/commit/a715bcdde830299cba4171514385cb17ec19b6e9"}],"solutions":[{"lang":"en","value":"Upgrade to libpcap 1.10.7."}],"source":{"discovery":"EXTERNAL"},"title":"abort() in libpcap before 1.10.7 on an invalid BPF opcode","x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T15:13:04.564118Z","id":"CVE-2026-31911","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":"2026-09-08T15:13:10.881Z"}}]}}