CVE-2018-1000878

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416: Use After Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c that can result in Crash/DoS - it is unknown if RCE is possible. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

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-2018-1000878

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-1000878.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201906-21

OS impact

OSVersionStatusFixed in
arch archfixed3.4.0-1
suse slesaffected
debian debianbookwormfixed3.3.3-2
debian debianbullseyefixed3.3.3-2
debian debianforkyfixed3.3.3-2
debian debiansidfixed3.3.3-2
debian debiantrixiefixed3.3.3-2

References

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