Critical severity9.8NVD Advisory· Published Sep 27, 2023· Updated Jun 17, 2026
CVE-2023-5176
CVE-2023-5176
Description
Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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 < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
42cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <118
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <115.3
- (no CPE)range: <118
- (no CPE)range: unspecified
- (no CPE)range: unspecified
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <115.3
- (no CPE)range: <115.3
- (no CPE)range: unspecified
- osv-coords31 versionspkg:apk/chainguard/firefox-esrpkg:rpm/almalinux/firefoxpkg:rpm/almalinux/firefox-x11pkg:rpm/almalinux/thunderbirdpkg: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/opensuse/firefox-esr&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%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%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%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%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
< 118-r0+ 30 more
- (no CPE)range: < 118-r0
- (no CPE)range: < 115.3.1-1.el9_2.alma.1
- (no CPE)range: < 115.3.1-1.el9_2.alma.1
- (no CPE)range: < 115.3.1-1.el9_2.alma
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 118.0.1-1.1
- (no CPE)range: < 115.3.1-150200.8.133.1
- (no CPE)range: < 115.3.1-150200.8.133.1
- (no CPE)range: < 115.3.0-1.1
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-150000.150.107.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-112.182.1
- (no CPE)range: < 115.3.0-150000.150.107.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-112.182.1
- (no CPE)range: < 115.3.0-150000.150.107.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-150200.152.108.1
- (no CPE)range: < 115.3.0-112.182.1
- (no CPE)range: < 115.3.1-150200.8.133.1
- (no CPE)range: < 115.3.1-150200.8.133.1
- (no CPE)range: < 115.3.1-150200.8.133.1
- (no CPE)range: < 115.3.1-150200.8.133.1
Patches
Vulnerability mechanics
References
8- lists.debian.org/debian-lts-announce/2023/09/msg00034.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2023/10/msg00015.htmlnvdMailing ListThird Party Advisory
- www.debian.org/security/2023/dsa-5506nvdThird Party Advisory
- www.debian.org/security/2023/dsa-5513nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2023-41/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-42/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-43/nvdVendor Advisory
- bugzilla.mozilla.org/buglist.cginvdBroken LinkIssue TrackingPermissions Required
News mentions
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