High severity8.8NVD Advisory· Published Oct 14, 2025· Updated Apr 13, 2026
CVE-2025-11715
CVE-2025-11715
Description
Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
42cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*+ 3 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <144.0
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*range: <140.4.0
- (no CPE)range: <=140.3, fixed in 140.4
- (no CPE)range: <=143, fixed in 144
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*+ 3 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*range: <144.0
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*range: <140.4.0
- (no CPE)range: <=140.3, fixed in 140.4
- (no CPE)range: <=143, fixed in 144
- osv-coords34 versionspkg:apk/chainguard/firefoxpkg:apk/wolfi/firefoxpkg:rpm/almalinux/firefoxpkg:rpm/almalinux/firefox-x11pkg:rpm/almalinux/thunderbirdpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2016.0pkg: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%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%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP6pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP7pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-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%2015%20SP5-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg: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%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP6pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7
< 140.4-r0+ 33 more
- (no CPE)range: < 140.4-r0
- (no CPE)range: < 140.4-r0
- (no CPE)range: < 140.4.0-3.el10_0
- (no CPE)range: < 140.4.0-3.el9_6.alma.1
- (no CPE)range: < 140.4.0-2.el10_0.alma.1
- (no CPE)range: < 140.4.0-1.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.5.0-160000.1.1
- (no CPE)range: < 144.0-1.1
- (no CPE)range: < 140.4.0-150200.8.242.1
- (no CPE)range: < 140.4.0-bp160.1.1
- (no CPE)range: < 140.4.0-1.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-112.286.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.5.0-160000.1.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.4.0-150200.152.207.1
- (no CPE)range: < 140.5.0-160000.1.1
- (no CPE)range: < 140.4.0-112.286.1
- (no CPE)range: < 140.4.0-150200.8.242.1
- (no CPE)range: < 140.4.0-150200.8.242.1
- (no CPE)range: < 140.4.0-150200.8.242.1
- (no CPE)range: < 140.4.0-150200.8.242.1
Patches
Vulnerability mechanics
References
7- www.mozilla.org/security/advisories/mfsa2025-81/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-83/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-84/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-85/nvdVendor Advisory
- bugzilla.mozilla.org/buglist.cginvdBroken LinkIssue Tracking
- lists.debian.org/debian-lts-announce/2025/10/msg00015.htmlnvd
- lists.debian.org/debian-lts-announce/2025/10/msg00031.htmlnvd
News mentions
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