{"id":"CVE-2017-5924","aliases":["DEBIAN-CVE-2017-5924","EUVD-2017-14999","GHSA-33qw-wpjx-355w","UBUNTU-CVE-2017-5924"],"status":"published","title":"libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after...","description":"libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_compiler_destroy function.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01587,"percentile":0.75779,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2017-04-03T05:44:00Z","modified":"2026-10-20T10:49:02Z","fixes":[{"ecosystem":"Debian:12","package":"yara","fixed_in":["3.5.0+dfsg-9"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"yara","fixed_in":["3.5.0+dfsg-9"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"yara","fixed_in":["3.5.0+dfsg-9"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"yara","fixed_in":["3.4.0+dfsg-2ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"yara","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.0+dfsg-9"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"yara","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.0+dfsg-9"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"yara","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.0+dfsg-9"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"yara","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0+dfsg-2ubuntu0.1~esm1"}]}],"versions":["3.4.0+dfsg-2","3.4.0+dfsg-2build1"]}],"products":[{"vendor":"virustotal","product":"yara"}],"references":[{"url":"https://github.com/VirusTotal/yara/commit/7f02eca670f29c00a1d2c305e96febae6ce5d37b","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"http://www.securityfocus.com/bid/98075","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://github.com/VirusTotal/yara/issues/593","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-5924"},{"url":"https://github.com/advisories/GHSA-33qw-wpjx-355w"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-5924","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-5924","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-5924","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8080-1","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2017-5924","description":"libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_compiler_destroy function.","status":"published","published":"2017-04-03T05:44:00Z","modified":"2024-08-05T15:18:48.726Z","updated_at":"2026-11-02T14:33:12.599234Z"}],"euvd":[{"id":"EUVD-2017-14999","description":"libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_compiler_destroy function.","status":"published","published":"2017-04-03T05:44:00Z","modified":"2024-08-05T15:18:48Z","updated_at":"2026-11-03T02:39:13.965943Z"}],"ghsa":[{"id":"GHSA-33qw-wpjx-355w","title":"libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after...","description":"libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_compiler_destroy function.","status":"published","published":"2022-05-17T02:47:19Z","modified":"2023-01-27T05:06:20Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:42:53.481756Z"}],"nvd":[{"id":"CVE-2017-5924","description":"libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_compiler_destroy function.","status":"published","published":"2017-04-03T05:59:00.737Z","modified":"2026-06-17T01:21:26.517Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:03:44.86906Z"}],"osv":[{"id":"CVE-2017-5924","description":"libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_compiler_destroy function.","status":"published","published":"2017-04-03T05:59:00.737Z","modified":"2026-10-20T10:49:02.417737856Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:06.029968Z"},{"id":"DEBIAN-CVE-2017-5924","description":"libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_compiler_destroy function.","status":"published","published":"2017-04-03T05:59:00.737Z","modified":"2026-09-01T20:03:48.752970026Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.412243Z"},{"id":"UBUNTU-CVE-2017-5924","description":"libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_compiler_destroy function.","status":"published","published":"2017-04-03T05:59:00Z","modified":"2026-04-22T11:28:18.250766Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:15.388065Z"}]}}
