High severity7.3NVD Advisory· Published Apr 28, 2026· Updated Jul 15, 2026
CVE-2026-7322
CVE-2026-7322
Description
Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. 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 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
15cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <150.0.1
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*range: <115.35.1
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*+ 2 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*range: <150.0.1
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*range: <140.10.1
- (no CPE)range: 140.10.0
- osv-coords10 versionspkg:apk/chainguard/firefoxpkg:apk/chainguard/firefox-esrpkg:apk/wolfi/firefoxpkg:rpm/almalinux/firefoxpkg:rpm/almalinux/firefox-x11pkg:rpm/almalinux/thunderbirdpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed
< 140.10.1-r0+ 9 more
- (no CPE)range: < 140.10.1-r0
- (no CPE)range: < 140.10.1-r0
- (no CPE)range: < 140.10.1-r0
- (no CPE)range: < 140.10.1-1.el10_2
- (no CPE)range: < 140.10.1-1.el9_8.alma.1
- (no CPE)range: < 140.10.1-1.el10_2.alma.1
- (no CPE)range: < 150.0.1-1.1
- (no CPE)range: < 140.12.0-bp160.1.1
- (no CPE)range: < 140.10.1-1.1
- (no CPE)range: < 140.10.1-1.1
Patches
Vulnerability mechanics
References
31- www.mozilla.org/security/advisories/mfsa2026-35/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-36/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-37/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-38/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-39/nvdVendor Advisory
- bugzilla.mozilla.org/buglist.cginvdBroken Link
- access.redhat.com/errata/RHSA-2026:19153nvd
- access.redhat.com/errata/RHSA-2026:19157nvd
- access.redhat.com/errata/RHSA-2026:19348nvd
- access.redhat.com/errata/RHSA-2026:19370nvd
- access.redhat.com/errata/RHSA-2026:19588nvd
- access.redhat.com/errata/RHSA-2026:20586nvd
- access.redhat.com/errata/RHSA-2026:21743nvd
- access.redhat.com/errata/RHSA-2026:22324nvd
- access.redhat.com/errata/RHSA-2026:22408nvd
- access.redhat.com/errata/RHSA-2026:22409nvd
- access.redhat.com/errata/RHSA-2026:22410nvd
- access.redhat.com/errata/RHSA-2026:22708nvd
- access.redhat.com/errata/RHSA-2026:22712nvd
- access.redhat.com/errata/RHSA-2026:22847nvd
- access.redhat.com/errata/RHSA-2026:24345nvd
- access.redhat.com/errata/RHSA-2026:24717nvd
- access.redhat.com/errata/RHSA-2026:24718nvd
- access.redhat.com/errata/RHSA-2026:24719nvd
- access.redhat.com/errata/RHSA-2026:24721nvd
- access.redhat.com/errata/RHSA-2026:24844nvd
- access.redhat.com/errata/RHSA-2026:24846nvd
- access.redhat.com/errata/RHSA-2026:25014nvd
- access.redhat.com/security/cve/CVE-2026-7322nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7322.jsonnvd
News mentions
1- ⚡ Weekly Recap: AI-Powered Phishing, Android Spying Tool, Linux Exploit, GitHub RCE & MoreThe Hacker News · May 4, 2026