Summary
Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox und Mozilla Thunderbird ausnutzen, um einen Denial-of-Service-Zustand herbeizuführen, beliebigen Code auszuführen oder andere, nicht näher spezifizierte Angriffe durchzuführen.
Product
Firefox ist ein Open Source Web Browser.
ESR ist die Variante mit verlängertem Support.
Thunderbird ist ein Open Source E-Mail Client.
Vulnerabilities 5
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Critical 9.8
Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2
Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have …
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High 8.8
Incorrect boundary conditions, integer overflow in the Graphics: Text component
Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
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High 8.8
Incorrect boundary conditions in the Graphics: WebGPU component
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2.
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High 8.1
Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2
Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 …
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High 8.1
Memory safety bugs fixed in Firefox 149.0.2 and Thunderbird 149.0.2
Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. 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 i…
Revision history
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#26
Neue Updates von Oracle Linux aufgenommen
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#25
Neue Updates von Oracle Linux aufgenommen
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#24
Neue Updates von Oracle Linux aufgenommen
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#23
Neue Updates von Oracle Linux aufgenommen
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#22
Neue Updates von Oracle Linux aufgenommen
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#21
Neue Updates von Oracle Linux aufgenommen
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#20
Neue Updates von Red Hat aufgenommen
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#19
Neue Updates von Red Hat aufgenommen
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#18
Neue Updates von Red Hat aufgenommen
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#17
Neue Updates von Red Hat und openSUSE aufgenommen
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#16
Neue Updates von Red Hat aufgenommen
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#15
Neue Updates von Red Hat und Amazon aufgenommen
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#14
Neue Updates von IGEL aufgenommen
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#13
Neue Updates von Rocky Enterprise Software Foundation aufgenommen
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#12
Neue Updates von Rocky Enterprise Software Foundation aufgenommen
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#11
Neue Updates von Oracle Linux aufgenommen
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#10
Neue Updates von openSUSE, SUSE und Red Hat aufgenommen
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#9
Neue Updates von Rocky Enterprise Software Foundation aufgenommen
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#8
Neue Updates von Debian, Red Hat, SUSE und Rocky Enterprise Software Foundation aufgenommen
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#7
Neue Updates von Rocky Enterprise Software Foundation aufgenommen
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#6
Neue Updates von Oracle Linux und SUSE aufgenommen
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#5
Neue Updates von Oracle Linux aufgenommen
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#4
Neue Updates von SUSE, openSUSE, Red Hat und Debian aufgenommen
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#3
Neue Updates von openSUSE aufgenommen
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#2
Neue Updates von Debian aufgenommen
References
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Mozilla Security Advisory MFSA 2026-25 Security Vulnerabilities fixed in Firefox 149.0.2 vom 2026-04-07
https://www.mozilla.org/en-US/security/advisories/mfsa2026-25/
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Mozilla Security Advisory MFSA 2026-26 Security Vulnerabilities fixed in Firefox ESR 115.34.1 vom 2026-04-07
https://www.mozilla.org/en-US/security/advisories/mfsa2026-26/
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Mozilla Security Advisory MFSA 2026-27 Security Vulnerabilities fixed in Firefox ESR 140.9.1 vom 2026-04-07
https://www.mozilla.org/en-US/security/advisories/mfsa2026-27/
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Mozilla Security Advisory MFSA 2026-28 Security Vulnerabilities fixed in Thunderbird 149.0.2 vom 2026-04-07
https://www.mozilla.org/en-US/security/advisories/mfsa2026-28/
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Mozilla Security Advisory MFSA 2026-29 Security Vulnerabilities fixed in Thunderbird 140.9.1 vom 2026-04-07
https://www.mozilla.org/en-US/security/advisories/mfsa2026-29/
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Debian Security Advisory DSA-6202 vom 2026-04-08
https://lists.debian.org/debian-security-announce/2026/msg00112.html
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openSUSE Security Update OPENSUSE-SU-2026:10503-1 vom 2026-04-09
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PTRDAEGUXD3AWAVJMNQHBTJSF46GEBLX/
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openSUSE Security Update OPENSUSE-SU-2026:10501-1 vom 2026-04-09
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/JEKBDG6VTF2J5KBSXUAZRCQ3BDEUDKVP/
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SUSE Security Update SUSE-SU-2026:1273-1 vom 2026-04-13
https://lists.suse.com/pipermail/sle-security-updates/2026-April/025239.html
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openSUSE Security Update OPENSUSE-SU-2026:10511-1 vom 2026-04-10
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/X6WL4U6AU6GMCZNA7F2AJWYXB7HS5TV7/
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Red Hat Security Advisory RHSA-2026:7671 vom 2026-04-13
https://access.redhat.com/errata/RHSA-2026:7671
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Red Hat Security Advisory RHSA-2026:7672 vom 2026-04-13
https://access.redhat.com/errata/RHSA-2026:7672
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Debian Security Advisory DLA-4526 vom 2026-04-11
https://lists.debian.org/debian-lts-announce/2026/04/msg00005.html
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Oracle Linux Security Advisory ELSA-2026-7671 vom 2026-04-13
https://linux.oracle.com/errata/ELSA-2026-7671.html
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Oracle Linux Security Advisory ELSA-2026-7672 vom 2026-04-13
https://linux.oracle.com/errata/ELSA-2026-7672.html
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Red Hat Security Advisory RHSA-2026:8052 vom 2026-04-14
https://access.redhat.com/errata/RHSA-2026:8052
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Oracle Linux Security Advisory ELSA-2026-8052 vom 2026-04-15
https://linux.oracle.com/errata/ELSA-2026-8052.html
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SUSE Security Update SUSE-SU-2026:1322-1 vom 2026-04-14
https://lists.suse.com/pipermail/sle-security-updates/2026-April/025334.html
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Rocky Linux Security Advisory RLSA-2026:7672 vom 2026-04-15
https://errata.build.resf.org/RLSA-2026:7672
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Rocky Linux Security Advisory RLSA-2026:7671 vom 2026-04-15
https://errata.build.resf.org/RLSA-2026:7671
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Debian Security Advisory DLA-4534 vom 2026-04-16
https://lists.debian.org/debian-lts-announce/2026/04/msg00013.html
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Red Hat Security Advisory RHSA-2026:8459 vom 2026-04-16
https://access.redhat.com/errata/RHSA-2026:8459
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SUSE Security Update SUSE-SU-2026:1379-1 vom 2026-04-16
https://lists.suse.com/pipermail/sle-security-updates/2026-April/025397.html
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Rocky Linux Security Advisory RLSA-2026:8052 vom 2026-04-16
https://errata.build.resf.org/RLSA-2026:8052
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Oracle Linux Security Advisory ELSA-2026-8459 vom 2026-04-17
https://linux.oracle.com/errata/ELSA-2026-8459.html
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Rocky Linux Security Advisory RLSA-2026:8459 vom 2026-04-19
https://errata.build.resf.org/RLSA-2026:8459
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openSUSE Security Update OPENSUSE-SU-2026:20486-1 vom 2026-04-21
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/JD2CV7Z7DGFVNHYC7CIEFEUC66T3MVFT/
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SUSE Security Update SUSE-SU-2026:21157-1 vom 2026-04-21
https://lists.suse.com/pipermail/sle-security-updates/2026-April/025533.html
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Red Hat Security Advisory RHSA-2026:9345 vom 2026-04-21
https://access.redhat.com/errata/RHSA-2026:9345
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Red Hat Security Advisory RHSA-2026:9638 vom 2026-04-22
https://access.redhat.com/errata/RHSA-2026:9638
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Oracle Linux Security Advisory ELSA-2026-9345 vom 2026-04-22
https://linux.oracle.com/errata/ELSA-2026-9345.html
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Oracle Linux Security Advisory ELSA-2026-9638 vom 2026-04-22
https://linux.oracle.com/errata/ELSA-2026-9638.html
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Rocky Linux Security Advisory RLSA-2026:9345 vom 2026-04-23
https://errata.build.resf.org/RLSA-2026:9345
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Rocky Linux Security Advisory RLSA-2026:9638 vom 2026-04-24
https://errata.build.resf.org/RLSA-2026:9638
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IGEL Security Notice ISN-2026-12 vom 2026-04-28
https://kb.igel.com/en/security-safety/current/isn-2026-12-critical-firefox-esr-vulnerabilities
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Red Hat Security Advisory RHSA-2026:11805 vom 2026-04-29
https://access.redhat.com/errata/RHSA-2026:11805
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Amazon Linux Security Advisory ALAS2FIREFOX-2026-057 vom 2026-04-30
https://alas.aws.amazon.com/AL2/ALAS2FIREFOX-2026-057.html
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Red Hat Security Advisory RHSA-2026:11813 vom 2026-04-29
https://access.redhat.com/errata/RHSA-2026:11813
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Amazon Linux Security Advisory ALAS2-2026-3271 vom 2026-04-30
https://alas.aws.amazon.com/AL2/ALAS2-2026-3271.html
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Red Hat Security Advisory RHSA-2026:13342 vom 2026-05-04
https://access.redhat.com/errata/RHSA-2026:13342
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Red Hat Security Advisory RHSA-2026:12264 vom 2026-04-30
https://access.redhat.com/errata/RHSA-2026:12264
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Red Hat Security Advisory RHSA-2026:13600 vom 2026-05-05
https://access.redhat.com/errata/RHSA-2026:13600
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openSUSE Security Update OPENSUSE-SU-2026:20664-1 vom 2026-05-04
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/VYPE5WKCCCIM4I2XJFAO2S7QLLSWQCSW/
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Red Hat Security Advisory RHSA-2026:13412 vom 2026-05-04
https://access.redhat.com/errata/RHSA-2026:13412
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Red Hat Security Advisory RHSA-2026:13596 vom 2026-05-05
https://access.redhat.com/errata/RHSA-2026:13596
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Red Hat Security Advisory RHSA-2026:13533 vom 2026-05-04
https://access.redhat.com/errata/RHSA-2026:13533
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Red Hat Security Advisory RHSA-2026:13582 vom 2026-05-05
https://access.redhat.com/errata/RHSA-2026:13582
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Red Hat Security Advisory RHSA-2026:13665 vom 2026-05-05
https://access.redhat.com/errata/RHSA-2026:13665
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Red Hat Security Advisory RHSA-2026:13682 vom 2026-05-05
https://access.redhat.com/errata/RHSA-2026:13682
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Red Hat Security Advisory RHSA-2026:13683 vom 2026-05-05
https://access.redhat.com/errata/RHSA-2026:13683
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Red Hat Security Advisory RHSA-2026:13922 vom 2026-05-06
https://access.redhat.com/errata/RHSA-2026:13922
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Red Hat Security Advisory RHSA-2026:14223 vom 2026-05-06
https://access.redhat.com/errata/RHSA-2026:14223
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Red Hat Security Advisory RHSA-2026:13977 vom 2026-05-06
https://access.redhat.com/errata/RHSA-2026:13977
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Red Hat Security Advisory RHSA-2026:14303 vom 2026-05-06
https://access.redhat.com/errata/RHSA-2026:14303
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Red Hat Security Advisory RHSA-2026:15889 vom 2026-05-11
https://access.redhat.com/errata/RHSA-2026:15889
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Oracle Linux Security Advisory ELSA-2026-13977 vom 2026-06-11
https://linux.oracle.com/errata/ELSA-2026-13977.html
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Oracle Linux Security Advisory ELSA-2026-22708 vom 2026-06-15
https://linux.oracle.com/errata/ELSA-2026-22708.html
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Oracle Linux Security Advisory ELSA-2026-19704 vom 2026-06-16
https://linux.oracle.com/errata/ELSA-2026-19704.html
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Oracle Linux Security Advisory ELSA-2026-26551 vom 2026-06-30
https://linux.oracle.com/errata/ELSA-2026-26551.html
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Oracle Linux Security Advisory ELSA-2026-24983 vom 2026-06-30
https://linux.oracle.com/errata/ELSA-2026-24983.html
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Oracle Linux Security Advisory ELSA-2026-54248 vom 2026-09-22
https://linux.oracle.com/errata/ELSA-2026-54248.html
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Oracle Linux Security Advisory ELSA-2026-65442 vom 2026-11-05
https://linux.oracle.com/errata/ELSA-2026-65442-0.html
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Oracle Linux Security Advisory ELSA-2026-83496 vom 2026-11-06
https://linux.oracle.com/errata/ELSA-2026-83496.html
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Oracle Linux Security Advisory ELSA-2026-92363 vom 2026-11-06
https://linux.oracle.com/errata/ELSA-2026-92363.html
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Oracle Linux Security Advisory ELSA-2026-76741 vom 2026-11-06
https://linux.oracle.com/errata/ELSA-2026-76741.html