High severity8.8NVD Advisory· Published Nov 21, 2023· Updated Jun 17, 2026
CVE-2023-6212
CVE-2023-6212
Description
Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. 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 < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
41<120+ 2 more
- (no CPE)range: <120
- (no CPE)range: unspecified
- (no CPE)range: unspecified
<115.5+ 1 more
- (no CPE)range: <115.5
- (no CPE)range: unspecified
- osv-coords36 versionspkg:apk/chainguard/firefox-esrpkg:rpm/almalinux/firefoxpkg:rpm/almalinux/firefox-x11pkg:rpm/almalinux/thunderbirdpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%207.1pkg: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-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg: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%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP5pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5
< 120.0-r0+ 35 more
- (no CPE)range: < 120.0-r0
- (no CPE)range: < 115.5.0-1.el9_3.alma.1
- (no CPE)range: < 115.5.0-1.el9_3.alma.1
- (no CPE)range: < 115.5.0-1.el8_9.alma.1
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 120.0-1.1
- (no CPE)range: < 115.5.0-150200.8.139.1
- (no CPE)range: < 115.5.0-150200.8.139.1
- (no CPE)range: < 115.5.0-1.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150000.150.119.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-112.194.1
- (no CPE)range: < 115.6.0-150000.150.119.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-112.194.1
- (no CPE)range: < 115.6.0-150000.150.119.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-150200.152.120.1
- (no CPE)range: < 115.6.0-112.194.1
- (no CPE)range: < 115.5.0-150200.8.139.1
- (no CPE)range: < 115.5.0-150200.8.139.1
- (no CPE)range: < 115.5.0-150200.8.139.1
- (no CPE)range: < 115.5.0-150200.8.139.1
Patches
Vulnerability mechanics
References
7- www.debian.org/security/2023/dsa-5561nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2023-49/nvdRelease NotesVendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-50/nvdRelease NotesVendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-52/nvdRelease NotesVendor Advisory
- bugzilla.mozilla.org/buglist.cginvdBroken Link
- lists.debian.org/debian-lts-announce/2023/11/msg00017.htmlnvdMailing List
- lists.debian.org/debian-lts-announce/2023/11/msg00030.htmlnvd
News mentions
0No linked articles in our index yet.