Medium severity6.5NVD Advisory· Published Dec 22, 2022· Updated Jun 17, 2026
CVE-2022-29916
CVE-2022-29916
Description
Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
56<100+ 4 more
- (no CPE)range: <100
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <100.0
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <91.9
- (no CPE)range: unspecified
- (no CPE)range: unspecified
<91.9+ 2 more
- (no CPE)range: <91.9
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <91.9
- (no CPE)range: unspecified
- osv-coords48 versionspkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Server%204.1pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.4pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/almalinux/firefoxpkg:rpm/almalinux/thunderbirdpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS
< 91.9.0-150200.152.33.1+ 47 more
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-1.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.8.68.2
- (no CPE)range: < 91.9.0-150200.8.68.2
- (no CPE)range: < 91.9.0-150200.8.68.2
- (no CPE)range: < 91.9.0-150000.150.38.3
- (no CPE)range: < 91.9.0-150000.150.38.3
- (no CPE)range: < 91.9.0-150000.150.38.3
- (no CPE)range: < 91.9.0-150000.150.38.3
- (no CPE)range: < 91.9.0-150000.150.38.3
- (no CPE)range: < 91.9.0-150000.150.38.3
- (no CPE)range: < 91.9.0-150000.150.38.3
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-1.el8_5.alma
- (no CPE)range: < 91.9.0-3.el8_5.alma
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.152.33.1
- (no CPE)range: < 91.9.0-150200.8.68.2
- (no CPE)range: < 91.9.0-150200.8.68.2
- (no CPE)range: < 91.9.0-150200.8.68.2
- (no CPE)range: < 91.9.0-150000.150.38.3
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 91.9.0-150000.150.38.3
- (no CPE)range: < 91.9.0-150000.150.38.3
- (no CPE)range: < 91.9.0-112.108.4
- (no CPE)range: < 100.0-1.1
- (no CPE)range: < 91.9.0-112.108.4
Patches
Vulnerability mechanics
References
4- bugzilla.mozilla.org/show_bug.cginvdExploitIssue TrackingVendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-16/nvdExploitVendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-17/nvdExploitVendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-18/nvdExploitVendor Advisory
News mentions
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