Description
libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted rule that is mishandled in the yara_yyparse function.
References (3)
Core 3
Core References
Exploit, Issue Tracking, Patch x_refsource_confirm
https://github.com/VirusTotal/yara/issues/597
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/98080
Patch, Vendor Advisory x_refsource_confirm
https://github.com/VirusTotal/yara/commit/ab906da53ff2a68c6fd6d1fa73f2b7c7bf0bc636
Scores
CVSS v3
7.5
EPSS
0.0049
EPSS Percentile
65.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
virustotal/yara
3.5.0
Published
Apr 03, 2017
Tracked Since
Feb 18, 2026