# firefox security updates

Patch Radar has 887 security fixes for firefox, closing 1,678 CVEs, 11 of which are being exploited. The newest security fix is ALAS2023-2026-3281 (153.5.0-1.amzn2023.0.1), released November 7, 2026.

- Web page: https://patchblox.com/security/product/linux/firefox
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [ALAS2023-2026-3281](https://patchblox.com/security/data/fix/linux/alas2023-2026-3281.md) | Nov 7, 2026 | amzn 2023 153.5.0-1.amzn2023.0.1 | Urgent | 62 | 0 |
| [ALAS2023-2026-3214](https://patchblox.com/security/data/fix/linux/alas2023-2026-3214.md) | Nov 7, 2026 | amzn 2023 140.17.0-1.amzn2023.0.1 | Urgent | 127 | 0 |
| [ALAS2023-2026-3329](https://patchblox.com/security/data/fix/linux/alas2023-2026-3329.md) | Nov 7, 2026 | amzn 2023 153.5.1-1.amzn2023.0.1 | High | 1 | 0 |
| [ELSA-2026-93956](https://patchblox.com/security/data/fix/linux/elsa-2026-93956.md) | Nov 7, 2026 | ol 10 0:153.6.0-1.0.1.el10_2 | Urgent | 144 | 0 |
| [ELSA-2026-89758](https://patchblox.com/security/data/fix/linux/elsa-2026-89758.md) | Nov 7, 2026 | ol 10 0:153.5.0-1.0.1.el10_2 | Urgent | 29 | 0 |
| [ELSA-2026-89757](https://patchblox.com/security/data/fix/linux/elsa-2026-89757.md) | Nov 7, 2026 | ol 9 0:153.5.0-1.0.1.el9_8 | Urgent | 48 | 0 |
| [ELSA-2026-93957](https://patchblox.com/security/data/fix/linux/elsa-2026-93957.md) | Nov 7, 2026 | ol 9 0:153.6.0-1.0.1.el9_8 | Urgent | 144 | 0 |
| [ELSA-2026-94405](https://patchblox.com/security/data/fix/linux/elsa-2026-94405.md) | Nov 7, 2026 | ol 8 0:153.6.0-1.0.1.el8_10 | Urgent | 144 | 0 |
| [ELSA-2026-89756](https://patchblox.com/security/data/fix/linux/elsa-2026-89756.md) | Nov 7, 2026 | ol 8 0:153.5.0-1.0.1.el8_10 | Urgent | 41 | 0 |
| [ALSA-2026:89757](https://patchblox.com/security/data/fix/linux/alsa-2026-89757.md) | Nov 7, 2026 | almalinux 9 153.5.0-1.el9_8 | Urgent | 48 | 0 |
| [ALSA-2026:89756](https://patchblox.com/security/data/fix/linux/alsa-2026-89756.md) | Nov 7, 2026 | almalinux 8 153.5.0-1.el8_10 | Urgent | 41 | 0 |
| [RLSA-2026:89757](https://patchblox.com/security/data/fix/linux/rlsa-2026-89757.md) | Nov 7, 2026 | rocky 9 0:153.5.0-1.el9_8 | Urgent | 48 | 0 |
| [ALSA-2026:89758](https://patchblox.com/security/data/fix/linux/alsa-2026-89758.md) | Nov 7, 2026 | almalinux 10 153.5.0-1.el10_2 | Urgent | 29 | 0 |
| [RLSA-2026:76761](https://patchblox.com/security/data/fix/linux/rlsa-2026-76761.md) | Nov 7, 2026 | rocky 9 0:140.17.0-1.el9_8 | Urgent | 43 | 0 |
| [RLSA-2026:89756](https://patchblox.com/security/data/fix/linux/rlsa-2026-89756.md) | Nov 7, 2026 | rocky 8 0:153.5.0-1.el8_10 | Urgent | 41 | 0 |
| [RLSA-2026:89758](https://patchblox.com/security/data/fix/linux/rlsa-2026-89758.md) | Nov 7, 2026 | rocky 10 0:153.5.0-1.el10_2 | Urgent | 29 | 0 |
| [RLSA-2026:76764](https://patchblox.com/security/data/fix/linux/rlsa-2026-76764.md) | Nov 7, 2026 | rocky 10 0:140.17.0-1.el10_2 | Urgent | 43 | 0 |
| [RLSA-2026:76850](https://patchblox.com/security/data/fix/linux/rlsa-2026-76850.md) | Nov 7, 2026 | rocky 8 0:140.17.0-1.el8_10 | Urgent | 43 | 0 |
| [RHSA-2026:89757](https://patchblox.com/security/data/fix/linux/rhsa-2026-89757.md) | Oct 31, 2026 | RHEL 9 0:153.5.0-1.el9_8 | Urgent | 48 | 0 |
| [RHSA-2026:89758](https://patchblox.com/security/data/fix/linux/rhsa-2026-89758.md) | Oct 31, 2026 | RHEL 10 153.5.0-1.el10_2 | Urgent | 29 | 0 |
| [RHSA-2026:89756](https://patchblox.com/security/data/fix/linux/rhsa-2026-89756.md) | Oct 31, 2026 | RHEL 8 0:153.5.0-1.el8_10 | Urgent | 41 | 0 |
| [RHSA-2026:76761](https://patchblox.com/security/data/fix/linux/rhsa-2026-76761.md) | Oct 24, 2026 | RHEL 9 0:140.17.0-1.el9_8 | Urgent | 43 | 0 |
| [RHSA-2026:92227](https://patchblox.com/security/data/fix/linux/rhsa-2026-92227.md) | Oct 24, 2026 | RHEL 10 140.17.0-1.el10_0 | Urgent | 43 | 0 |
| [RHSA-2026:76850](https://patchblox.com/security/data/fix/linux/rhsa-2026-76850.md) | Oct 24, 2026 | RHEL 8 0:140.17.0-1.el8_10 | Urgent | 43 | 0 |
| [ELSA-2026-76850](https://patchblox.com/security/data/fix/linux/elsa-2026-76850.md) | Oct 8, 2026 | ol 8 0:140.17.0-1.0.1.el8_10 | Urgent | 43 | 0 |
| [ELSA-2026-76761](https://patchblox.com/security/data/fix/linux/elsa-2026-76761.md) | Oct 7, 2026 | ol 9 0:140.17.0-1.0.1.el9_8 | Urgent | 43 | 0 |
| [ELSA-2026-76764](https://patchblox.com/security/data/fix/linux/elsa-2026-76764.md) | Oct 7, 2026 | ol 10 0:140.17.0-1.0.1.el10_2 | Urgent | 43 | 0 |
| [ALSA-2026:76761](https://patchblox.com/security/data/fix/linux/alsa-2026-76761.md) | Oct 6, 2026 | almalinux 9 140.17.0-1.el9_8.alma.1 | Urgent | 43 | 0 |
| [ALSA-2026:76764](https://patchblox.com/security/data/fix/linux/alsa-2026-76764.md) | Oct 6, 2026 | almalinux 10 140.17.0-1.el10_2 | Urgent | 43 | 0 |
| [ALSA-2026:76850](https://patchblox.com/security/data/fix/linux/alsa-2026-76850.md) | Oct 6, 2026 | almalinux 8 140.17.0-1.el8_10.alma.1 | Urgent | 43 | 0 |
| [ELSA-2026-71652](https://patchblox.com/security/data/fix/linux/elsa-2026-71652.md) | Sep 29, 2026 | ol 8 0:140.16.0-1.0.1.el8_10 | Urgent | 28 | 0 |
| [ALAS2023-2026-3126](https://patchblox.com/security/data/fix/linux/alas2023-2026-3126.md) | Sep 28, 2026 | amzn 2023 140.16.0-1.amzn2023.0.1 | Urgent | 9 | 0 |
| [RHSA-2026:67133](https://patchblox.com/security/data/fix/linux/rhsa-2026-67133.md) | Sep 27, 2026 | RHEL 9 0:140.15.0-1.el9_8 | Urgent | 10 | 0 |
| [RHSA-2026:77610](https://patchblox.com/security/data/fix/linux/rhsa-2026-77610.md) | Sep 27, 2026 | RHEL 10 140.15.0-1.el10_0 | Urgent | 10 | 0 |
| [RHSA-2026:68549](https://patchblox.com/security/data/fix/linux/rhsa-2026-68549.md) | Sep 27, 2026 | RHEL 8 0:140.15.0-1.el8_10 | Urgent | 10 | 0 |
| [RLSA-2026:67129](https://patchblox.com/security/data/fix/linux/rlsa-2026-67129.md) | Sep 27, 2026 | rocky 10 0:140.15.0-1.el10_2 | Urgent | 10 | 0 |
| [RLSA-2026:67133](https://patchblox.com/security/data/fix/linux/rlsa-2026-67133.md) | Sep 27, 2026 | rocky 9 0:140.15.0-1.el9_8 | Urgent | 10 | 0 |
| [RLSA-2026:68549](https://patchblox.com/security/data/fix/linux/rlsa-2026-68549.md) | Sep 27, 2026 | rocky 8 0:140.15.0-1.el8_10 | Urgent | 10 | 0 |
| [RLSA-2026:71652](https://patchblox.com/security/data/fix/linux/rlsa-2026-71652.md) | Sep 26, 2026 | rocky 8 0:140.16.0-1.el8_10 | Urgent | 28 | 0 |
| [RHSA-2026:71652](https://patchblox.com/security/data/fix/linux/rhsa-2026-71652.md) | Sep 24, 2026 | RHEL 8 0:140.16.0-1.el8_10 | Urgent | 28 | 0 |
| [ALSA-2026:71652](https://patchblox.com/security/data/fix/linux/alsa-2026-71652.md) | Sep 24, 2026 | almalinux 8 140.16.0-1.el8_10.alma.1 | Urgent | 28 | 0 |
| [RLSA-2026:69462](https://patchblox.com/security/data/fix/linux/rlsa-2026-69462.md) | Sep 23, 2026 | rocky 9 0:140.16.0-1.el9_8 | Urgent | 28 | 0 |
| [RHSA-2026:69462](https://patchblox.com/security/data/fix/linux/rhsa-2026-69462.md) | Sep 22, 2026 | RHEL 9 0:140.16.0-1.el9_8 | Urgent | 28 | 0 |
| [RHSA-2026:82818](https://patchblox.com/security/data/fix/linux/rhsa-2026-82818.md) | Sep 22, 2026 | RHEL 10 140.16.0-1.el10_0 | Urgent | 28 | 0 |
| [RLSA-2026:69461](https://patchblox.com/security/data/fix/linux/rlsa-2026-69461.md) | Sep 22, 2026 | rocky 10 0:140.16.0-1.el10_2 | Urgent | 28 | 0 |
| [ELSA-2026-69461](https://patchblox.com/security/data/fix/linux/elsa-2026-69461.md) | Sep 22, 2026 | ol 10 0:140.16.0-1.0.1.el10_2 | Urgent | 28 | 0 |
| [ELSA-2026-69462](https://patchblox.com/security/data/fix/linux/elsa-2026-69462.md) | Sep 22, 2026 | ol 9 0:140.16.0-1.0.1.el9_8 | Urgent | 28 | 0 |
| [ALSA-2026:69461](https://patchblox.com/security/data/fix/linux/alsa-2026-69461.md) | Sep 21, 2026 | almalinux 10 140.16.0-1.el10_2 | Urgent | 28 | 0 |
| [ALSA-2026:69462](https://patchblox.com/security/data/fix/linux/alsa-2026-69462.md) | Sep 21, 2026 | almalinux 9 140.16.0-1.el9_8.alma.1 | Urgent | 28 | 0 |
| [ALSA-2026:68549](https://patchblox.com/security/data/fix/linux/alsa-2026-68549.md) | Sep 17, 2026 | almalinux 8 140.15.0-1.el8_10.alma.1 | Urgent | 10 | 0 |
| [ELSA-2026-68549](https://patchblox.com/security/data/fix/linux/elsa-2026-68549.md) | Sep 17, 2026 | ol 8 0:140.15.0-1.0.1.el8_10 | Urgent | 10 | 0 |
| [ALSA-2026:67129](https://patchblox.com/security/data/fix/linux/alsa-2026-67129.md) | Sep 14, 2026 | almalinux 10 140.15.0-1.el10_2 | Urgent | 10 | 0 |
| [ALSA-2026:67133](https://patchblox.com/security/data/fix/linux/alsa-2026-67133.md) | Sep 14, 2026 | almalinux 9 140.15.0-1.el9_8.alma.1 | Urgent | 10 | 0 |
| [ELSA-2026-67129-0](https://patchblox.com/security/data/fix/linux/elsa-2026-67129-0.md) | Sep 14, 2026 | ol 10 0:140.15.0-1.0.1.el10_2 | Urgent | 10 | 0 |
| [ELSA-2026-67133-0](https://patchblox.com/security/data/fix/linux/elsa-2026-67133-0.md) | Sep 14, 2026 | ol 9 0:140.15.0-1.0.1.el9_8 | Urgent | 10 | 0 |
| [ALAS2023-2026-2105](https://patchblox.com/security/data/fix/linux/alas2023-2026-2105.md) | Aug 31, 2026 | amzn 2023 140.14.0-1.amzn2023.0.1 | Urgent | 38 | 0 |
| [RHSA-2026:58897](https://patchblox.com/security/data/fix/linux/rhsa-2026-58897.md) | Aug 28, 2026 | RHEL 9 0:140.14.0-1.el9_8 | Urgent | 31 | 0 |
| [RHSA-2026:58898](https://patchblox.com/security/data/fix/linux/rhsa-2026-58898.md) | Aug 28, 2026 | RHEL 8 0:140.14.0-1.el8_10 | Urgent | 31 | 0 |
| [RLSA-2026:58899](https://patchblox.com/security/data/fix/linux/rlsa-2026-58899.md) | Aug 25, 2026 | rocky 10 0:140.14.0-1.el10_2 | Urgent | 31 | 0 |
| [RLSA-2026:58897](https://patchblox.com/security/data/fix/linux/rlsa-2026-58897.md) | Aug 25, 2026 | rocky 9 0:140.14.0-1.el9_8 | Urgent | 31 | 0 |
| [RLSA-2026:58898](https://patchblox.com/security/data/fix/linux/rlsa-2026-58898.md) | Aug 25, 2026 | rocky 8 0:140.14.0-1.el8_10 | Urgent | 31 | 0 |
| [RHSA-2026:64813](https://patchblox.com/security/data/fix/linux/rhsa-2026-64813.md) | Aug 25, 2026 | RHEL 10 140.14.0-1.el10_0 | Urgent | 31 | 0 |
| [ALSA-2026:58897](https://patchblox.com/security/data/fix/linux/alsa-2026-58897.md) | Aug 24, 2026 | almalinux 9 140.14.0-1.el9_8.alma.1 | Urgent | 31 | 0 |
| [ALSA-2026:58898](https://patchblox.com/security/data/fix/linux/alsa-2026-58898.md) | Aug 24, 2026 | almalinux 8 140.14.0-1.el8_10.alma.1 | Urgent | 31 | 0 |
| [ALSA-2026:58899](https://patchblox.com/security/data/fix/linux/alsa-2026-58899.md) | Aug 24, 2026 | almalinux 10 140.14.0-1.el10_2 | Urgent | 31 | 0 |
| [ELSA-2026-58897](https://patchblox.com/security/data/fix/linux/elsa-2026-58897.md) | Aug 24, 2026 | ol 9 0:140.14.0-1.0.1.el9_8 | Urgent | 31 | 0 |
| [ELSA-2026-58898](https://patchblox.com/security/data/fix/linux/elsa-2026-58898.md) | Aug 24, 2026 | ol 8 0:140.14.0-1.0.1.el8_10 | Urgent | 31 | 0 |
| [ELSA-2026-58899](https://patchblox.com/security/data/fix/linux/elsa-2026-58899.md) | Aug 24, 2026 | ol 10 0:140.14.0-1.0.1.el10_2 | Urgent | 31 | 0 |
| [ALAS2023-2026-2069](https://patchblox.com/security/data/fix/linux/alas2023-2026-2069.md) | Aug 17, 2026 | amzn 2023 140.13.0-1.amzn2023.0.1 | Urgent | 31 | 0 |
| [RHSA-2026:47104](https://patchblox.com/security/data/fix/linux/rhsa-2026-47104.md) | Aug 5, 2026 | RHEL 9 0:140.13.0-1.el9_8 | Urgent | 33 | 0 |
| [RLSA-2026:47104](https://patchblox.com/security/data/fix/linux/rlsa-2026-47104.md) | Aug 3, 2026 | rocky 9 0:140.13.0-1.el9_8 | Urgent | 33 | 0 |
| [RHSA-2026:54181](https://patchblox.com/security/data/fix/linux/rhsa-2026-54181.md) | Jul 31, 2026 | RHEL 10 140.13.0-1.el10_0 | Urgent | 33 | 0 |
| [RHSA-2026:47105](https://patchblox.com/security/data/fix/linux/rhsa-2026-47105.md) | Jul 31, 2026 | RHEL 8 0:140.13.0-1.el8_10 | Urgent | 33 | 0 |
| [RLSA-2026:47101](https://patchblox.com/security/data/fix/linux/rlsa-2026-47101.md) | Jul 30, 2026 | rocky 10 0:140.13.0-1.el10_2 | Urgent | 32 | 0 |
| [RLSA-2026:47105](https://patchblox.com/security/data/fix/linux/rlsa-2026-47105.md) | Jul 29, 2026 | rocky 8 0:140.13.0-1.el8_10 | Urgent | 33 | 0 |
| [ELSA-2026-47104](https://patchblox.com/security/data/fix/linux/elsa-2026-47104.md) | Jul 29, 2026 | ol 9 0:140.13.0-1.0.1.el9_8 | Urgent | 33 | 0 |
| [ALSA-2026:47104](https://patchblox.com/security/data/fix/linux/alsa-2026-47104.md) | Jul 28, 2026 | almalinux 9 140.13.0-1.el9_8.alma.1 | Urgent | 33 | 0 |
| [ALSA-2026:47105](https://patchblox.com/security/data/fix/linux/alsa-2026-47105.md) | Jul 28, 2026 | almalinux 8 140.13.0-1.el8_10.alma.1 | Urgent | 33 | 0 |
| [ELSA-2026-47105](https://patchblox.com/security/data/fix/linux/elsa-2026-47105.md) | Jul 28, 2026 | ol 8 0:140.13.0-1.0.1.el8_10 | Urgent | 33 | 0 |
| [ALSA-2026:47101](https://patchblox.com/security/data/fix/linux/alsa-2026-47101.md) | Jul 28, 2026 | almalinux 10 140.13.0-1.el10_2 | Urgent | 32 | 0 |
| [ELSA-2026-47101](https://patchblox.com/security/data/fix/linux/elsa-2026-47101.md) | Jul 28, 2026 | ol 10 0:140.13.0-1.0.1.el10_2 | Urgent | 32 | 0 |
| [ELSA-2026-21380](https://patchblox.com/security/data/fix/linux/elsa-2026-21380.md) | Jul 20, 2026 | ol 10 0:140.12.0-1.0.1.el10_2 | High | 18 | 0 |
| [ELSA-2026-19160](https://patchblox.com/security/data/fix/linux/elsa-2026-19160.md) | Jul 20, 2026 | ol 10 0:140.12.0-1.0.1.el10_2 | High | 3 | 0 |
| [ELSA-2026-27733](https://patchblox.com/security/data/fix/linux/elsa-2026-27733.md) | Jul 17, 2026 | ol 10 0:140.12.0-1.0.1.el10_2 | Urgent | 29 | 0 |
| [ELSA-2026-19157](https://patchblox.com/security/data/fix/linux/elsa-2026-19157.md) | Jul 17, 2026 | ol 10 0:140.12.0-1.0.1.el10_2 | High | 4 | 0 |
| [ELSA-2026-19041](https://patchblox.com/security/data/fix/linux/elsa-2026-19041.md) | Jul 8, 2026 | ol 10 0:140.10.0-1.0.1.el10_2 | High | 25 | 0 |
| [ALAS2023-2026-1928](https://patchblox.com/security/data/fix/linux/alas2023-2026-1928.md) | Jul 6, 2026 | amzn 2023 140.12.0-1.amzn2023.0.1 | Urgent | 42 | 0 |
| [ELSA-2026-21378](https://patchblox.com/security/data/fix/linux/elsa-2026-21378.md) | Jun 29, 2026 | ol 9 0:140.12.0-1.0.1.el9_8 | High | 18 | 0 |
| [ELSA-2026-20574](https://patchblox.com/security/data/fix/linux/elsa-2026-20574.md) | Jun 29, 2026 | ol 9 0:140.12.0-1.0.1.el9_8 | High | 3 | 0 |
| [ELSA-2026-19370](https://patchblox.com/security/data/fix/linux/elsa-2026-19370.md) | Jun 29, 2026 | ol 9 0:140.12.0-1.0.1.el9_8 | High | 4 | 0 |
| [RLSA-2026:27717](https://patchblox.com/security/data/fix/linux/rlsa-2026-27717.md) | Jun 25, 2026 | rocky 8 0:140.12.0-1.el8_10 | Urgent | 29 | 0 |
| [RHSA-2026:27734](https://patchblox.com/security/data/fix/linux/rhsa-2026-27734.md) | Jun 24, 2026 | RHEL 9 0:140.12.0-1.el9_8 | Urgent | 29 | 0 |
| [RHSA-2026:36100](https://patchblox.com/security/data/fix/linux/rhsa-2026-36100.md) | Jun 24, 2026 | RHEL 10 140.12.0-1.el10_0 | Urgent | 29 | 0 |
| [RHSA-2026:21378](https://patchblox.com/security/data/fix/linux/rhsa-2026-21378.md) | Jun 24, 2026 | RHEL 9 0:140.11.0-1.el9_8 | High | 18 | 0 |
| [RHSA-2026:27717](https://patchblox.com/security/data/fix/linux/rhsa-2026-27717.md) | Jun 24, 2026 | RHEL 8 0:140.12.0-1.el8_10 | Urgent | 29 | 0 |
| [RLSA-2026:27733](https://patchblox.com/security/data/fix/linux/rlsa-2026-27733.md) | Jun 24, 2026 | rocky 10 0:140.12.0-1.el10_2 | Urgent | 29 | 0 |
| [RLSA-2026:27734](https://patchblox.com/security/data/fix/linux/rlsa-2026-27734.md) | Jun 24, 2026 | rocky 9 0:140.12.0-1.el9_8 | Urgent | 29 | 0 |
| [ELSA-2026-27734](https://patchblox.com/security/data/fix/linux/elsa-2026-27734.md) | Jun 23, 2026 | ol 9 0:140.12.0-1.0.1.el9_8 | Urgent | 29 | 0 |
| [ALSA-2026:27717](https://patchblox.com/security/data/fix/linux/alsa-2026-27717.md) | Jun 22, 2026 | almalinux 8 140.12.0-1.el8_10.alma.1 | Urgent | 29 | 0 |
| [ALSA-2026:27733](https://patchblox.com/security/data/fix/linux/alsa-2026-27733.md) | Jun 22, 2026 | almalinux 10 140.12.0-1.el10_2 | Urgent | 29 | 0 |

Showing the newest 100 of 887 fixes.

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