CVE-2018-18504

critical

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

9.5

Description

A crash and out-of-bounds read can occur when the buffer of a texture client is freed while it is still in use during graphic operations. This results is a potentially exploitable crash and the possibility of reading from the memory of the freed buffers. This vulnerability affects Firefox < 65.

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-2018-18504

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-18504.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201902-2

OS impact

OS	Version	Status	Fixed in
arch		fixed	`65.0-1`
sles		affected
debian	sid	fixed	`65.0-1`

References

https://security.archlinux.org/ASA-201902-2
https://www.suse.com/security/cve/CVE-2018-18504.html
https://security-tracker.debian.org/tracker/CVE-2018-18504

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