CVE-2018-18493
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-18493
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-18493.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201812-9
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 64.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 64.0-1 |
| debian | bookworm | fixed | 60.4.0esr-1 |
| debian | bullseye | fixed | 60.4.0esr-1 |
| debian | forky | fixed | 60.4.0esr-1 |
| debian | trixie | fixed | 60.4.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.