CVE-2018-5146

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

Description

An out of bounds memory write while processing Vorbis audio data was reported through the Pwn2Own contest. This vulnerability affects Firefox < 59.0.1, Firefox ESR < 52.7.2, and Thunderbird < 52.7.

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-2018-5146

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-5146.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201803-12

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201803-13

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201803-21

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201803-22

OS impact

OSVersionStatusFixed in
arch archfixed52.7.0-1
suse slesaffected
debian debiansidfixed59.0.1-1
debian debianbookwormfixed52.7.2esr-1
debian debianbullseyefixed52.7.2esr-1
debian debianforkyfixed52.7.2esr-1
debian debiantrixiefixed52.7.2esr-1

References

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