CVE-2023-37207
Mozilla Firefox and 4 others: A website could have obscured the fullscreen notification by using a URL with a scheme handled by an…
CVE-2023-37207 is fixed in 14 products on 2 platforms, first by Mozilla Firefox (en-US) 115.0, released July 4, 2023. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
8.8
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0074
54th percentile
A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox (en-US) | 115.0 | Mozilla Firefox (en-US) 115.0 | Jul 4, 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 | 0:102.13.0-2.el8_8 | RHSA-2023:4076 | Jul 13, 2023 |
| firefox · RHEL 9 | 0:102.13.0-2.el9_2 | RHSA-2023:4071 | Jul 13, 2023 |
| firefox · Ubuntu 20.04 LTS (focal) | 115.0+build2-0ubuntu0.20.04.3 | firefox 115.0+build2-0ubuntu0.20.04.3 | Jul 5, 2023 |
| firefox · almalinux 8 | 102.13.0-2.el8_8.alma | ALSA-2023:4076 | Jul 13, 2023 |
| firefox · almalinux 9 | 102.13.0-2.el9_2.alma | ALSA-2023:4071 | Jul 13, 2023 |
| firefox · ol 8 | 0:102.13.0-2.0.1.el8_8 | ELSA-2023-4076 | Jul 17, 2023 |
| firefox · ol 9 | 0:102.13.0-2.0.1.el9_2 | ELSA-2023-4071 | Jul 17, 2023 |
| firefox · rocky 8 | 0:102.13.0-2.el8_8 | RLSA-2023:4076 | Aug 31, 2023 |
| firefox · rocky 9 | 0:102.13.0-2.el9_2 | RLSA-2023:4071 | Jul 19, 2023 |
| firefox-esr · Debian 12.15 (bookworm) | 102.13.0esr-1~deb12u1 | DEBIAN-CVE-2023-37207 | Jul 5, 2023 |
| firefox-esr · Debian 13.5 (trixie) | 102.13.0esr-1 | DEBIAN-CVE-2023-37207 | Jul 5, 2023 |
| firefox-esr · Debian 14 | 102.13.0esr-1 | DEBIAN-CVE-2023-37207 | Jul 5, 2023 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 115.0+build2-0ubuntu0.20.04.3 | firefox-geckodriver 115.0+build2-0ubuntu0.20.04.3 | Jul 5, 2023 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 115.0+build2-0ubuntu0.20.04.3 | firefox-mozsymbols 115.0+build2-0ubuntu0.20.04.3 | Jul 5, 2023 |
| firefox-x11 · RHEL 9 | 0:102.13.0-2.el9_2 | RHSA-2023:4071 | Jul 13, 2023 |
| firefox-x11 · almalinux 9 | 102.13.0-2.el9_2.alma | ALSA-2023:4071 | Jul 13, 2023 |
| firefox-x11 · ol 9 | 0:102.13.0-2.0.1.el9_2 | ELSA-2023-4071 | Jul 17, 2023 |
| thunderbird · Debian 12.15 (bookworm) | 1:102.13.0-1~deb12u1 | DEBIAN-CVE-2023-37207 | Jul 5, 2023 |
| thunderbird · Debian 13.5 (trixie) | 1:102.13.0-1 | DEBIAN-CVE-2023-37207 | Jul 5, 2023 |
| thunderbird · Debian 14 | 1:102.13.0-1 | DEBIAN-CVE-2023-37207 | Jul 5, 2023 |
| thunderbird · RHEL 8 | 0:102.13.0-2.el8_8 | RHSA-2023:4063 | Jul 13, 2023 |
| thunderbird · RHEL 9 | 0:102.13.0-2.el9_2 | RHSA-2023:4064 | Jul 13, 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 | 102.13.0-2.el8_8.alma | ALSA-2023:4063 | Jul 13, 2023 |
| thunderbird · almalinux 9 | 102.13.0-2.el9_2.alma | ALSA-2023:4064 | Jul 13, 2023 |
| thunderbird · ol 8 | 0:102.13.0-2.0.1.el8_8 | ELSA-2023-4063 | Jul 17, 2023 |
| thunderbird · ol 9 | 0:102.13.0-2.0.1.el9_2 | ELSA-2023-4064 | Jul 17, 2023 |
| thunderbird · rocky 8 | 0:102.13.0-2.el8_8 | RLSA-2023:4063 | Aug 31, 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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