CVE-2018-1000085

Original summary

Normalized public record · Updated Nov 3, 2026

ClamAV version version 0.99.3 contains a Out of bounds heap memory read vulnerability in XAR parser, function xar_hash_check() that can result in Leaking of memory, may help in developing exploit chains.. This attack appear to be exploitable via The victim must scan a crafted XAR file. This vulnerability appears to have been fixed in after commit d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6.

Publisher and source text is retained separately from QFinch interpretation.

Affected products

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

1. Confirm the affected product and reachable code path exist in your environment.
2. Apply the vendor-supported patch or mitigation from the primary advisory.
3. Rescan the exact deployed revision and retain verification evidence.

Evidence coverage

SSVC priority

LOW

Confidence

Not available

Aliases

None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

1. USN-3592-2 ↗
2. Patch commit ↗
3. [oss-security] 20170929 clamav: Out of bounds read and segfault in xar parser ↗
4. [debian-lts-announce] 20180316 [SECURITY] [DLA 1307-1] clamav security update ↗
5. USN-3592-1 ↗
6. GLSA-201804-16 ↗

Record history

Published Mar 13, 2018 · Last refreshed Nov 3, 2026