High severity8.8NVD Advisory· Published Dec 22, 2022· Updated Jun 17, 2026
CVE-2022-38478
CVE-2022-38478
Description
Members the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103, Firefox ESR 102.1, and Firefox ESR 91.12. 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 Thunderbird < 102.2, Thunderbird < 91.13, Firefox ESR < 91.13, Firefox ESR < 102.2, and Firefox < 104.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
82cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <104.0
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <91.13
- (no CPE)range: <104
- (no CPE)range: unspecified
- (no CPE)range: unspecified
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <91.13
- (no CPE)range: <91.13, <102.2
- (no CPE)range: unspecified
- osv-coords74 versionspkg:rpm/almalinux/firefoxpkg:rpm/almalinux/thunderbirdpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox-branding-SLE&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/MozillaFirefox-branding-SLE&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg: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%20Module%20for%20Desktop%20Applications%2015%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-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%2015%20SP1-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg: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=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg: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%20Manager%20Server%204.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP3pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP4pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg: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/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4
< 91.13.0-1.el9_0.alma+ 73 more
- (no CPE)range: < 91.13.0-1.el9_0.alma
- (no CPE)range: < 91.13.0-1.el8_6.alma
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 104.0-1.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 102.2.2-150200.8.82.1
- (no CPE)range: < 102.2.2-150200.8.82.1
- (no CPE)range: < 102.2.0-1.1
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 91.13.0-150000.150.53.1
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-150000.150.53.1
- (no CPE)range: < 91.13.0-150000.150.53.1
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-150000.150.53.1
- (no CPE)range: < 91.13.0-150000.150.53.1
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-112.127.4
- (no CPE)range: < 91.13.0-112.127.4
- (no CPE)range: < 91.13.0-112.127.4
- (no CPE)range: < 91.13.0-112.127.4
- (no CPE)range: < 91.13.0-150000.150.53.1
- (no CPE)range: < 91.13.0-150000.150.53.1
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-150000.150.53.1
- (no CPE)range: < 91.13.0-112.127.4
- (no CPE)range: < 91.13.0-112.127.4
- (no CPE)range: < 91.13.0-150000.150.53.1
- (no CPE)range: < 91.13.0-150000.150.53.1
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-112.127.4
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-150200.152.56.2
- (no CPE)range: < 91.13.0-112.127.4
- (no CPE)range: < 91.13.0-112.127.4
- (no CPE)range: < 102-150000.4.22.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 102-150000.4.22.1
- (no CPE)range: < 102-150000.4.22.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 102-150000.4.22.1
- (no CPE)range: < 102-150000.4.22.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 102-35.9.1
- (no CPE)range: < 102-35.9.1
- (no CPE)range: < 102-35.9.1
- (no CPE)range: < 102-35.9.1
- (no CPE)range: < 102-150000.4.22.1
- (no CPE)range: < 102-150000.4.22.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 102-150000.4.22.1
- (no CPE)range: < 102-35.9.1
- (no CPE)range: < 102-35.9.1
- (no CPE)range: < 102-150000.4.22.1
- (no CPE)range: < 102-150000.4.22.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 91-150200.9.7.1
- (no CPE)range: < 102-35.9.1
- (no CPE)range: < 102-35.9.1
- (no CPE)range: < 102.2.2-150200.8.82.1
- (no CPE)range: < 102.2.2-150200.8.82.1
- (no CPE)range: < 102.2.2-150200.8.82.1
- (no CPE)range: < 102.2.2-150200.8.82.1
Patches
Vulnerability mechanics
References
6- bugzilla.mozilla.org/buglist.cginvdIssue TrackingNot ApplicableVendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-33/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-34/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-35/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-36/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-37/nvdVendor Advisory
News mentions
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