High severity7.5NVD Advisory· Published Apr 3, 2017· Updated Jun 17, 2026
CVE-2017-5923
CVE-2017-5923
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.
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Affected products
2cpe:2.3:a:virustotal:yara:3.5.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:virustotal:yara:3.5.0:*:*:*:*:*:*:*
- (no CPE)range: = 3.5.0
Patches
Vulnerability mechanics
References
3- github.com/VirusTotal/yara/commit/ab906da53ff2a68c6fd6d1fa73f2b7c7bf0bc636nvdPatchVendor Advisory
- github.com/VirusTotal/yara/issues/597nvdExploitIssue TrackingPatch
- www.securityfocus.com/bid/98080nvd
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