Critical severity9.8NVD Advisory· Published Aug 19, 2025· Updated Apr 13, 2026
CVE-2025-9187
CVE-2025-9187
Description
Memory safety bugs present in Firefox 141 and Thunderbird 141. 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 142 and Thunderbird 142.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
46cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <142.0
- (no CPE)range: <142
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*range: <142.0
- (no CPE)range: <142
- osv-coords42 versionspkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/mozilla-nss&distro=openSUSE%20Leap%2015.6pkg: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%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%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/mozilla-nss&distro=SUSE%20Manager%20Server%20LTS%204.3
< 140.2.0-150200.152.198.1+ 41 more
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 142.0.1-1.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-112.276.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 140.2.0-112.276.1
- (no CPE)range: < 3.112.2-150000.3.132.1
- (no CPE)range: < 3.112.2-150000.3.132.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150000.3.132.1
- (no CPE)range: < 3.112.2-150000.3.132.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-58.133.1
- (no CPE)range: < 3.112.2-150000.3.132.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150000.3.132.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-58.133.1
- (no CPE)range: < 3.112.2-150400.3.60.1
- (no CPE)range: < 3.112.2-150400.3.60.1
Patches
Vulnerability mechanics
References
3- www.mozilla.org/security/advisories/mfsa2025-64/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-70/nvdVendor Advisory
- bugzilla.mozilla.org/buglist.cginvdBroken Link
News mentions
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