Bundesamt für Sicherheit in der Informationstechnik Amazon · Mozilla Firefox und Thunderbird: Mehrere Schwachstellen
Affects Bundesamt für Sicherheit in der Informationstechnik AmazonSource GCVE Database
Not known to be exploited · CVSS 5.3 Medium.
Data as of 9 Nov 2026, 13:35 UTC
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 15 Sep 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 9 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Bundesamt für Sicherheit in der Informationstechnik Amazon | Affected
| Fixed in
|
AI-suggested
Mozilla has released official fixes for these vulnerabilities in Firefox 156 and Firefox ESR 115.41. Users and administrators should update to these versions or later to mitigate the risks. No additional mitigation actions are indicated by the vendor advisory.
Description
Multiple high-impact security vulnerabilities have been identified and fixed in Mozilla Firefox, Firefox ESR, and Thunderbird. These include use-after-free bugs, privilege escalations, sandbox escapes, mitigation bypasses, and information disclosures affecting various components such as Graphics (CanvasWebGL, WebRender), DOM, Networking, WebExtensions, and others. The fixes are included in Firefox 156 and Firefox ESR 115.41 releases.
References
- wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3375.json (opens in a new tab)
- wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3375 (opens in a new tab)
- mozilla.org/en-US/security/advisories/mfsa2026-90/ (opens in a new tab)
- mozilla.org/en-US/security/advisories/mfsa2026-91/ (opens in a new tab)
- mozilla.org/en-US/security/advisories/mfsa2026-92/ (opens in a new tab)
- mozilla.org/en-US/security/advisories/mfsa2026-93/ (opens in a new tab)
- mozilla.org/en-US/security/advisories/mfsa2026-94/ (opens in a new tab)
- mozilla.org/en-US/security/advisories/mfsa2026-95/ (opens in a new tab)
- security-tracker.debian.org/tracker/DSA-6503-1 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2026/09/msg00017.html (opens in a new tab)
- security-tracker.debian.org/tracker/DSA-6501-1 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2026/09/msg00016.html (opens in a new tab)
- mozilla.org/en-US/security/advisories/mfsa2026-96/ (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-September/029225.html (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-September/029233.html (opens in a new tab)
- lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/P3H5BJF5VDFDLI262C6Q3C5W364WLE3I/ (opens in a new tab)
- kb.igel.com/en/security-safety/current/isn-2026-38-critical-firefox-esr-vulnerabilities (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:69461 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:69462 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-69462.html (opens in a new tab)