{"id":"CVE-2017-1000458","details":"Bro before Bro v2.5.2 is vulnerable to an out of bounds write in the ContentLine analyzer allowing remote attackers to cause a denial of service (crash) and possibly other exploitation.","modified":"2026-07-08T12:05:40.390385Z","published":"2018-01-02T18:29:00.323Z","references":[{"type":"ADVISORY","url":"https://bro-tracker.atlassian.net/browse/BIT-1856"},{"type":"ADVISORY","url":"https://github.com/bro/bro/commit/6c0f101a62489b1c5927b4ed63b0e1d37db40282"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bro/bro","events":[{"introduced":"15462ec034414a9a891c917a49ecf2782c31012d"},{"last_affected":"15462ec034414a9a891c917a49ecf2782c31012d"},{"fixed":"6c0f101a62489b1c5927b4ed63b0e1d37db40282"}],"database_specific":{"cpe":"cpe:2.3:a:bro:bro:2.5.2:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.5.2"},{"last_affected":"2.5.2"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["2.5.2","v2.5.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-1000458.json","vanir_signatures_modified":"2026-07-08T12:05:40Z","vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"314230704580117239620428961814389718311","length":1285},"id":"CVE-2017-1000458-96f05b51","signature_type":"Function","signature_version":"v1","source":"https://github.com/bro/bro/commit/6c0f101a62489b1c5927b4ed63b0e1d37db40282","target":{"file":"src/analyzer/protocol/tcp/ContentLine.cc","function":"ContentLine_Analyzer::DoDeliverOnce"}},{"id":"CVE-2017-1000458-d3372ac2","signature_type":"Line","signature_version":"v1","source":"https://github.com/bro/bro/commit/6c0f101a62489b1c5927b4ed63b0e1d37db40282","target":{"file":"src/analyzer/protocol/tcp/ContentLine.cc"},"deprecated":false,"digest":{"line_hashes":["252986685978261559604287061895409808001","157222507407568721352694592129854957913","21707835919630023512851080404486787951","274180513845098636242285476533097899499"],"threshold":0.9}}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}