CVE-2018-1000085

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-1000085

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-1000085.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201803-14

OS impact

OSVersionStatusFixed in
arch archfixed0.99.4-1
suse slesaffected
debian debianbookwormfixed0.99.3~beta1+dfsg-1
debian debianbullseyefixed0.99.3~beta1+dfsg-1
debian debianforkyfixed0.99.3~beta1+dfsg-1
debian debiansidfixed0.99.3~beta1+dfsg-1
debian debiantrixiefixed0.99.3~beta1+dfsg-1

References

Verify integrity in audit chain (admin only). AS-IS.