High severity8.1NVD Advisory· Published Aug 19, 2025· Updated Apr 13, 2026
CVE-2025-9185
CVE-2025-9185
Description
Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, 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, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
39cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*+ 2 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <142.0
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*range: <115.27.0
- (no CPE)range: <=141
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*+ 2 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*range: <142.0
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*range: <128.14.0
- (no CPE)range: <=141
- osv-coords33 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%2015.6pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/mozjs128&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/mozjs128&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%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/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%20SP7pkg:rpm/suse/mozjs128&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/mozjs128&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 140.2.0-r0+ 32 more
- (no CPE)range: < 140.2.0-r0
- (no CPE)range: < 128.14.0-2.el9_6.alma.1
- (no CPE)range: < 128.14.0-2.el9_6.alma.1
- (no CPE)range: < 128.14.0-3.el9_6.alma.1
- (no CPE)range: < 140.2.0-1.1
- (no CPE)range: < 140.2.0-150200.152.198.1
- (no CPE)range: < 142.0.1-1.1
- (no CPE)range: < 140.2.0-150200.8.236.1
- (no CPE)range: < 140.2.0-1.1
- (no CPE)range: < 128.14.0-160000.1.1
- (no CPE)range: < 128.14.0-1.1
- (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: < 140.2.0-150200.8.236.1
- (no CPE)range: < 140.2.0-150200.8.236.1
- (no CPE)range: < 140.2.0-150200.8.236.1
- (no CPE)range: < 140.2.0-150200.8.236.1
- (no CPE)range: < 128.14.0-160000.1.1
- (no CPE)range: < 128.14.0-160000.1.1
Patches
Vulnerability mechanics
References
10- www.mozilla.org/security/advisories/mfsa2025-64/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-65/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-66/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-67/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-70/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-71/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-72/nvdVendor Advisory
- bugzilla.mozilla.org/buglist.cginvdBroken Link
- lists.debian.org/debian-lts-announce/2025/08/msg00016.htmlnvd
- lists.debian.org/debian-lts-announce/2025/08/msg00018.htmlnvd
News mentions
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