CVE-2023-34416

Mozilla Firefox and 4 others: Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12.

CVE-2023-34416 is fixed in 15 products on 2 platforms, first by firefox 114.0+build3-0ubuntu0.20.04.1, released June 6, 2023. It is not reported as exploited. Patch Radar priority: Urgent.

UrgentFixed on 2 platforms
CVSS
9.8
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0093
60th percentile

Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 102.12, Firefox < 114, and Thunderbird < 102.12.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Mozilla Firefox (en-US) 114.0.1 Mozilla Firefox (en-US) 114.0.1 Jun 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 0:102.12.0-1.el8_8 RHSA-2023:3590 Jun 14, 2023
firefox · RHEL 9 0:102.12.0-1.el9_2 RHSA-2023:3589 Jun 14, 2023
firefox · Ubuntu 20.04 LTS (focal) 114.0+build3-0ubuntu0.20.04.1 firefox 114.0+build3-0ubuntu0.20.04.1 Jun 6, 2023
firefox · almalinux 8 102.12.0-1.el8_8.alma ALSA-2023:3590 Jun 14, 2023
firefox · almalinux 9 102.12.0-1.el9_2.alma ALSA-2023:3589 Jun 14, 2023
firefox · ol 8 0:102.12.0-1.0.1.el8_8 ELSA-2023-3590 Jun 15, 2023
firefox · ol 9 0:102.12.0-1.0.1.el9_2 ELSA-2023-3589 Jun 17, 2023
firefox · rocky 8 0:102.12.0-1.el8_8 RLSA-2023:3590 Aug 31, 2023
firefox-esr · Debian 12.15 (bookworm) 102.12.0esr-1~deb12u1 DEBIAN-CVE-2023-34416 Jun 19, 2023
firefox-esr · Debian 13.5 (trixie) 102.12.0esr-1 DEBIAN-CVE-2023-34416 Jun 19, 2023
firefox-esr · Debian 14 102.12.0esr-1 DEBIAN-CVE-2023-34416 Jun 19, 2023
firefox-geckodriver · Ubuntu 20.04 LTS (focal) 114.0+build3-0ubuntu0.20.04.1 firefox-geckodriver 114.0+build3-0ubuntu0.20.04.1 Jun 6, 2023
firefox-mozsymbols · Ubuntu 20.04 LTS (focal) 114.0+build3-0ubuntu0.20.04.1 firefox-mozsymbols 114.0+build3-0ubuntu0.20.04.1 Jun 6, 2023
firefox-x11 · RHEL 9 0:102.12.0-1.el9_2 RHSA-2023:3589 Jun 14, 2023
firefox-x11 · almalinux 9 102.12.0-1.el9_2.alma ALSA-2023:3589 Jun 14, 2023
firefox-x11 · ol 9 0:102.12.0-1.0.1.el9_2 ELSA-2023-3589 Jun 17, 2023
libmozjs-102-0 · Ubuntu 22.04.1 LTS (jammy) 102.12.0-0ubuntu0.22.04.1 libmozjs-102-0 102.12.0-0ubuntu0.22.04.1 Jun 6, 2023
thunderbird · Debian 12.15 (bookworm) 1:102.12.0-1~deb12u1 DEBIAN-CVE-2023-34416 Jun 19, 2023
thunderbird · Debian 13.5 (trixie) 1:102.12.0-1 DEBIAN-CVE-2023-34416 Jun 19, 2023
thunderbird · Debian 14 1:102.12.0-1 DEBIAN-CVE-2023-34416 Jun 19, 2023
thunderbird · RHEL 8 0:102.12.0-1.el8_8 RHSA-2023:3588 Jun 14, 2023
thunderbird · RHEL 9 0:102.12.0-1.el9_2 RHSA-2023:3587 Jun 14, 2023
thunderbird · Ubuntu 20.04 LTS (focal) 1:102.13.0+build1-0ubuntu0.20.04.1 thunderbird 1:102.13.0+build1-0ubuntu0.20.04.1 Jul 5, 2023
thunderbird · Ubuntu 22.04.1 LTS (jammy) 1:102.13.0+build1-0ubuntu0.22.04.1 thunderbird 1:102.13.0+build1-0ubuntu0.22.04.1 Jul 5, 2023
thunderbird · almalinux 8 102.12.0-1.el8_8.alma ALSA-2023:3588 Jun 14, 2023
thunderbird · almalinux 9 102.12.0-1.el9_2.alma ALSA-2023:3587 Jun 14, 2023
thunderbird · ol 8 0:102.12.0-1.0.1.el8_8 ELSA-2023-3588 Jun 15, 2023
thunderbird · ol 9 0:102.12.0-1.0.1.el9_2 ELSA-2023-3587 Jun 17, 2023
thunderbird · rocky 8 0:102.12.0-1.el8_8 RLSA-2023:3588 Jun 24, 2023
thunderbird · rocky 9 0:102.12.0-1.el9_2 RLSA-2023:3587 Jun 24, 2023
thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) 1:102.13.0+build1-0ubuntu0.20.04.1 thunderbird-gnome-support 1:102.13.0+build1-0ubuntu0.20.04.1 Jul 5, 2023
thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) 1:102.13.0+build1-0ubuntu0.22.04.1 thunderbird-gnome-support 1:102.13.0+build1-0ubuntu0.22.04.1 Jul 5, 2023
thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) 1:102.13.0+build1-0ubuntu0.20.04.1 thunderbird-mozsymbols 1:102.13.0+build1-0ubuntu0.20.04.1 Jul 5, 2023
thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) 1:102.13.0+build1-0ubuntu0.22.04.1 thunderbird-mozsymbols 1:102.13.0+build1-0ubuntu0.22.04.1 Jul 5, 2023
xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) 1:102.13.0+build1-0ubuntu0.20.04.1 xul-ext-calendar-timezones 1:102.13.0+build1-0ubuntu0.20.04.1 Jul 5, 2023
xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) 1:102.13.0+build1-0ubuntu0.22.04.1 xul-ext-calendar-timezones 1:102.13.0+build1-0ubuntu0.22.04.1 Jul 5, 2023
xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) 1:102.13.0+build1-0ubuntu0.20.04.1 xul-ext-gdata-provider 1:102.13.0+build1-0ubuntu0.20.04.1 Jul 5, 2023
xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) 1:102.13.0+build1-0ubuntu0.22.04.1 xul-ext-gdata-provider 1:102.13.0+build1-0ubuntu0.22.04.1 Jul 5, 2023
xul-ext-lightning · Ubuntu 20.04 LTS (focal) 1:102.13.0+build1-0ubuntu0.20.04.1 xul-ext-lightning 1:102.13.0+build1-0ubuntu0.20.04.1 Jul 5, 2023
xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) 1:102.13.0+build1-0ubuntu0.22.04.1 xul-ext-lightning 1:102.13.0+build1-0ubuntu0.22.04.1 Jul 5, 2023

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