SUSE · security update for thunderbird
Affects SUSESource GCVE Database
Not known to be exploited · CVSS 6.5 Medium · patch available : update SUSE when convenient.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 24 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SUSE Product Security Team SUSE | Affected
| Fixed in
|
AI-suggested
Security updates for Thunderbird are available for Red Hat Enterprise Linux 8 and Extended Life Cycle versions, including Thunderbird ESR 140.9 and Thunderbird 149. Users and administrators should apply these official updates promptly to remediate the vulnerabilities. For detailed update instructions, refer to the Red Hat advisory at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the vendor-provided patches.
Description
Multiple security vulnerabilities have been identified and fixed in Mozilla Thunderbird, including use-after-free, memory safety bugs, privilege escalation, sandbox escapes, incorrect boundary conditions, integer overflows, race conditions, information disclosure, denial-of-service, and spoofing issues. These vulnerabilities affect various components such as the JavaScript engine, graphics, audio/video, WebRTC signaling, XPCOM, and IMAP parsing. The update addresses these issues in Thunderbird ESR 140.9 and Thunderbird 149, among others. Red Hat Enterprise Linux 8 distributions including Extended Life Cycle versions are affected and have received security updates.
References
- access.redhat.com/errata/RHSA-2026:6917 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450710 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450711 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450712 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450713 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450714 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450715 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450718 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450719 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450720 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450721 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450722 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450723 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450724 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450725 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450726 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450727 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450728 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2450729 (opens in a new tab)
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/rhsa-2026_6917.json (opens in a new tab)
- lists.suse.com/pipermail/suse-liberty-linux-updates/2026-April/002659.html (opens in a new tab)
- suse.com/security/cve/CVE-2026-3889/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4371/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4684/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4685/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4686/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4687/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4688/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4689/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4690/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4691/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4692/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4693/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4694/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4695/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4696/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-4697/ (opens in a new tab)