| Name | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 859821 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| yara (PTS) | buster | 3.9.0-1 | fixed |
| bullseye | 4.0.5-1 | fixed |
| bookworm | 4.2.3-4 | fixed |
| sid, trixie | 4.4.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| yara | source | jessie | 3.1.0-2+deb8u1 | | | |
| yara | source | (unstable) | 3.5.0+dfsg-9 | | | 859821 |
Notes
https://github.com/VirusTotal/yara/issues/597