CVE-2026-118004
MozillaFirefox: Incorrect boundary conditions in the CSS Transitions and Animations component.
CVE-2026-118004 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2026-118004, released October 29, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.1
IMPORTANT
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0036
30th percentile
Incorrect boundary conditions in the CSS Transitions and Animations component.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| MozillaFirefox · sles 15.6 | 153.6.0-150400.157.19.1 | SUSE-SU-2026:5145-1 | Nov 7, 2026 |
| MozillaFirefox · sles 15.7 | 153.6.0-150400.157.19.1 | SUSE-SU-2026:5145-1 | Nov 7, 2026 |
| firefox · ol 10 | 0:153.6.0-1.0.1.el10_2 | ELSA-2026-93956 | Nov 7, 2026 |
| firefox · ol 8 | 0:153.6.0-1.0.1.el8_10 | ELSA-2026-94405 | Nov 7, 2026 |
| firefox · ol 9 | 0:153.6.0-1.0.1.el9_8 | ELSA-2026-93957 | Nov 7, 2026 |
| firefox-esr · Debian 12.15 (bookworm) | 153.6.0esr-1~deb12u2 | DEBIAN-CVE-2026-118004 | Oct 29, 2026 |
| firefox-esr · Debian 13.5 (trixie) | 153.6.0esr-1~deb13u1 | DEBIAN-CVE-2026-118004 | Oct 29, 2026 |
| firefox-x11 · ol 9 | 0:153.6.0-1.0.1.el9_8 | ELSA-2026-93957 | Nov 7, 2026 |
| thunderbird · Debian 12.15 (bookworm) | 1:153.6.0esr-1~deb12u2 | DEBIAN-CVE-2026-118004 | Oct 29, 2026 |
| thunderbird · Debian 13.5 (trixie) | 1:153.6.0esr-1~deb13u1 | DEBIAN-CVE-2026-118004 | Oct 29, 2026 |
| thunderbird · ol 10 | 0:153.6.0-1.0.1.el10_2 | ELSA-2026-96079 | Nov 10, 2026 |
| thunderbird · ol 9 | 0:153.6.0-1.0.1.el9_8 | ELSA-2026-96081 | Nov 10, 2026 |
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