DEBIAN-CVE-2026-88341

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Source
https://security-tracker.debian.org/tracker/CVE-2026-88341
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-88341.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-88341
Upstream
Published
2026-09-22T20:17:10Z
Modified
2026-09-24T09:00:15Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A reachable assertion vulnerability exists in YARA 4.5.8 when loading crafted .yrc compiled rule files. An attacker can provide a malicious file with an invalid arena configuration (num_buffers=0) that triggers an assertion failure in yr_arena_get_ptr(), causing the application to terminate.

References

Affected packages

Debian:12 / yara

Package

Name
yara
Purl
pkg:deb/debian/yara?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

4.*
4.2.3-4
4.3.0-1
4.3.2-1
4.4.0-1
4.5.0-1~bpo12+1
4.5.0-1
4.5.1-1~bpo12+1
4.5.1-1
4.5.2-1~bpo12+1
4.5.2-1
4.5.3-1
4.5.4-1
4.5.5-1
4.5.6-1
4.5.7-1
4.5.8-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-88341.json"

Debian:13 / yara

Package

Name
yara
Purl
pkg:deb/debian/yara?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

4.*
4.5.2-1
4.5.3-1
4.5.4-1
4.5.5-1
4.5.6-1
4.5.7-1
4.5.8-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-88341.json"

Debian:14 / yara

Package

Name
yara
Purl
pkg:deb/debian/yara?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

4.*
4.5.2-1
4.5.3-1
4.5.4-1
4.5.5-1
4.5.6-1
4.5.7-1
4.5.8-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-88341.json"