Use-after-free in workers
CVE-2023-3600 is fixed in 13 products on 2 platforms, first by Mozilla Firefox (en-US) 115.0.2, released July 12, 2023. It is not reported as exploited. Patch Radar priority: High.
During the worker lifecycle, a use-after-free condition could have occurred, which could have led to a potentially exploitable crash. This vulnerability affects Firefox < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird < 115.0.1.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox (en-US) | 115.0.2 | Mozilla Firefox (en-US) 115.0.2 | Jul 12, 2023 |
| Mozilla Firefox ESR (en-US) | 115.4.0 | Mozilla Firefox ESR (en-US) 115.4.0 | Oct 17, 2023 |
| Mozilla Thunderbird (en-US) | 115.8.0 | Mozilla Thunderbird (en-US) 115.8.0 | Feb 21, 2024 |
| Linux | |||
| firefox · RHEL 8 | 0:115.3.1-1.el8_8 | RHSA-2023:5433 | Oct 4, 2023 |
| firefox · RHEL 9 | 0:115.3.1-1.el9_2 | RHSA-2023:5434 | Oct 4, 2023 |
| firefox · Ubuntu 20.04 LTS (focal) | 115.0.2+build1-0ubuntu0.20.04.1 | firefox 115.0.2+build1-0ubuntu0.20.04.1 | Jul 12, 2023 |
| firefox · almalinux 9 | 115.3.1-1.el9_2.alma.1 | ALSA-2023:5434 | Oct 4, 2023 |
| firefox · ol 8 | 0:115.3.1-1.0.1.el8_8 | ELSA-2023-5433 | Oct 6, 2023 |
| firefox · ol 9 | 0:115.3.1-1.0.1.el9_2 | ELSA-2023-5434 | Oct 5, 2023 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 115.0.2+build1-0ubuntu0.20.04.1 | firefox-geckodriver 115.0.2+build1-0ubuntu0.20.04.1 | Jul 12, 2023 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 115.0.2+build1-0ubuntu0.20.04.1 | firefox-mozsymbols 115.0.2+build1-0ubuntu0.20.04.1 | Jul 12, 2023 |
| firefox-x11 · RHEL 9 | 0:115.3.1-1.el9_2 | RHSA-2023:5434 | Oct 4, 2023 |
| firefox-x11 · almalinux 9 | 115.3.1-1.el9_2.alma.1 | ALSA-2023:5434 | Oct 4, 2023 |
| firefox-x11 · ol 9 | 0:115.3.1-1.0.1.el9_2 | ELSA-2023-5434 | Oct 5, 2023 |
| thunderbird · RHEL 8 | 0:115.3.1-1.el8_8 | RHSA-2023:5428 | Oct 4, 2023 |
| thunderbird · RHEL 9 | 0:115.3.1-1.el9_2 | RHSA-2023:5435 | Oct 4, 2023 |
| thunderbird · Ubuntu 20.04 LTS (focal) | 1:115.3.1+build1-0ubuntu0.20.04.1 | thunderbird 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| thunderbird · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | thunderbird 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
| thunderbird · almalinux 9 | 115.3.1-1.el9_2.alma | ALSA-2023:5435 | Oct 4, 2023 |
| thunderbird · ol 8 | 0:115.3.1-1.0.1.el8_8 | ELSA-2023-5428 | Oct 6, 2023 |
| thunderbird · ol 9 | 0:115.3.1-1.0.1.el9_2 | ELSA-2023-5435 | Oct 5, 2023 |
| thunderbird · rocky 8 | 0:115.3.1-1.el8_8 | RLSA-2023:5428 | Oct 5, 2023 |
| thunderbird · rocky 9 | 0:115.3.1-1.el9_2 | RLSA-2023:5435 | Oct 5, 2023 |
| thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) | 1:115.3.1+build1-0ubuntu0.20.04.1 | thunderbird-gnome-support 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | thunderbird-gnome-support 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
| thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) | 1:115.3.1+build1-0ubuntu0.20.04.1 | thunderbird-mozsymbols 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | thunderbird-mozsymbols 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
| xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) | 1:115.3.1+build1-0ubuntu0.20.04.1 | xul-ext-calendar-timezones 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | xul-ext-calendar-timezones 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
| xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) | 1:115.3.1+build1-0ubuntu0.20.04.1 | xul-ext-gdata-provider 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | xul-ext-gdata-provider 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
| xul-ext-lightning · Ubuntu 20.04 LTS (focal) | 1:115.3.1+build1-0ubuntu0.20.04.1 | xul-ext-lightning 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | xul-ext-lightning 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
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