CVE-2026-8094
Description
Important: firefox security update
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2026-20574.html
Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2026-20566.html
Vendor advisory: alma — https://bugzilla.redhat.com/2467709
Vendor advisory: alma — https://bugzilla.redhat.com/2467708
Vendor advisory: alma — https://bugzilla.redhat.com/2467706
Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2026:20566
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-8094.html
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-8094
Vendor advisory: security@mozilla.org — https://www.mozilla.org/security/advisories/mfsa2026-44/
Vendor advisory: security@mozilla.org — https://www.mozilla.org/security/advisories/mfsa2026-44/
Vendor advisory: security@mozilla.org — https://www.mozilla.org/security/advisories/mfsa2026-41/
Vendor advisory: security@mozilla.org — https://www.mozilla.org/security/advisories/mfsa2026-41/
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:20574
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| debian | bookworm | fixed | 140.10.2esr-1~deb12u1 |
| debian | bullseye | fixed | 140.10.2esr-1~deb11u1 |
| debian | forky | fixed | 140.10.2esr-1 |
| debian | sid | fixed | 140.10.2esr-1 |
| debian | trixie | fixed | 140.10.2esr-1~deb13u1 |
| sles | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mozilla | firefox | {"endExcluding":"140.10.2"} | 140.10.2 |
| mozilla | thunderbird | {"endExcluding":"140.10.2"} | 140.10.2 |
| mozilla | firefox | {"endExcluding":"140.10.2"} | 140.10.2 |
| mozilla | thunderbird | {"endExcluding":"140.10.2"} | 140.10.2 |
References
- https://access.redhat.com/errata/RHSA-2026:20574
- https://bugzilla.mozilla.org/show_bug.cgi?id=2035939
- https://www.mozilla.org/security/advisories/mfsa2026-41/
- https://www.mozilla.org/security/advisories/mfsa2026-44/
- https://security-tracker.debian.org/tracker/CVE-2026-8094
- https://www.suse.com/security/cve/CVE-2026-8094.html
- https://access.redhat.com/errata/RHSA-2026:20566
- https://bugzilla.redhat.com/2467706
- https://bugzilla.redhat.com/2467708
- https://bugzilla.redhat.com/2467709
- https://errata.almalinux.org/8/ALSA-2026-20566.html
- https://errata.almalinux.org/9/ALSA-2026-20574.html
CWEs
CWE-94
Verify integrity in audit chain (admin only). AS-IS.