Description
The sized_string_cmp function in libyara/sizedstr.c in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule.
References (2)
Core 2
Core References
Issue Tracking, Patch x_refsource_confirm
https://github.com/VirusTotal/yara/issues/658
Patch x_refsource_confirm
https://github.com/VirusTotal/yara/commit/053e67e3ec81cc9268ce30eaf0d6663d8639ed1e
Scores
CVSS v3
7.5
EPSS
0.0042
EPSS Percentile
61.8%
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-416
Status
published
Products (1)
virustotal/yara
3.5.0
Published
May 14, 2017
Tracked Since
Feb 18, 2026