Description
Certain types of allocations were missing annotations that, if the Garbage Collector was in a specific state, could have lead to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox | unspecified – < 106 | 106 |
| Mozilla | Firefox ESR | unspecified – < 102.4 | 102.4 |
| Mozilla | Thunderbird | unspecified – < 102.4 | 102.4 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | firefox-esr | 102.4.0esr-1 | — |
| Debian 14 | thunderbird | 1:102.4.0-1 | — |
| Debian 13 | firefox-esr | 102.4.0esr-1 | — |
| Debian 13 | thunderbird | 1:102.4.0-1 | — |
| Debian 12 | firefox-esr | 102.4.0esr-1 | — |
| Debian 12 | thunderbird | 1:102.4.0-1 | — |
| Debian 11 | firefox-esr | 102.4.0esr-1~deb11u1 | DSA-5259-1 |
| Debian 11 | thunderbird | 1:102.4.0-1~deb11u1 | DSA-5262-1 |
| Debian 10 | firefox-esr | 102.4.0esr-1~deb10u1 | DLA-3156-1 |
| Debian 10 | thunderbird | 1:102.4.0-1~deb10u1 | DLA-3170-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | mozjs78 +1 | No fix yet | — |
| Ubuntu 22.04 LTS | thunderbird | 1:102.4.2+build2-0ubuntu0.22.04.1 | USN-5724-1 |
| Ubuntu 20.04 LTS | firefox | 106.0.2+build1-0ubuntu0.20.04.1 | USN-5709-1 |
| Ubuntu 20.04 LTS | mozjs52 +1 | No fix yet | — |
| Ubuntu 20.04 LTS | thunderbird | 1:102.4.2+build2-0ubuntu0.20.04.1 | USN-5724-1 |
| Ubuntu 18.04 LTS | firefox | 106.0.2+build1-0ubuntu0.18.04.1 | USN-5709-1 |
| Ubuntu 18.04 LTS | mozjs38 +1 | No fix yet | — |
| Ubuntu 18.04 LTS | thunderbird | 1:102.4.2+build2-0ubuntu0.18.04.1 | USN-5724-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | firefox +1 | 102.4.0-1.el9_0 | RHSA-2022:7178, RHSA-2022:7071 |
| RHEL 8 | firefox +1 | 102.4.0-1.el8_6 | RHSA-2022:7190, RHSA-2022:7070 |
| RHEL 7 | firefox +1 | 102.4.0-1.el7_9 | RHSA-2022:7184, RHSA-2022:7069 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.4 EUS | firefox +1 | 102.4.0-1.el8_4 | RHSA-2022:7181, RHSA-2022:7072 |
| RHEL 8.2 EUS | firefox +1 | 102.4.0-1.el8_2 | RHSA-2022:7182, RHSA-2022:7068 |
| RHEL 8.1 E4S | firefox +1 | 102.4.0-1.el8_1 | RHSA-2022:7183, RHSA-2022:7066 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | firefox +1 | 102.4.0-1.el9_0.alma | ALSA-2022:7178, ALSA-2022:7071 |
| AlmaLinux 8 | firefox +1 | 102.4.0-1.el8_6.alma | ALSA-2022:7190, ALSA-2022:7070 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | firefox +1 | 102.4.0-1.el8_6 | RLSA-2022:7190, RLSA-2022:7070 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| SLES 15 SP4 | MozillaThunderbird | 102.5.0-150200.8.90.1 | SUSE-SU-2022:4085-1 |
| SLES 15 SP3 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| SLES 15 SP3 | MozillaThunderbird | 102.5.0-150200.8.90.1 | SUSE-SU-2022:4085-1 |
| SLES 15 SP2 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| SLES 15 SP1 | MozillaFirefox | 102.4.0-150000.150.62.1 | SUSE-SU-2022:3698-1 |
| SLES 15 | MozillaFirefox | 102.4.0-150000.150.62.1 | SUSE-SU-2022:3698-1 |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | MozillaFirefox | 102.4.0-112.136.3 | SUSE-SU-2022:3719-1 |
| SLES 12 SP4 | MozillaFirefox | 102.4.0-112.136.3 | SUSE-SU-2022:3719-1 |
| SLES 12 SP3 | MozillaFirefox | 102.4.0-112.136.3 | SUSE-SU-2022:3719-1 |
| SLES 12 SP2 | MozillaFirefox | 102.4.0-112.136.3 | SUSE-SU-2022:3719-1 |
| SLES for SAP 15 SP2 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| SLES for SAP 15 SP1 | MozillaFirefox | 102.4.0-150000.150.62.1 | SUSE-SU-2022:3698-1 |
| SLES for SAP 15 | MozillaFirefox | 102.4.0-150000.150.62.1 | SUSE-SU-2022:3698-1 |
| SLES for SAP 12 SP5 | MozillaFirefox | 102.4.0-112.136.3 | SUSE-SU-2022:3719-1 |
| SLES for SAP 12 SP4 | MozillaFirefox | 102.4.0-112.136.3 | SUSE-SU-2022:3719-1 |
| SLE HPC 15 SP2 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| SLE HPC 15 SP1 | MozillaFirefox | 102.4.0-150000.150.62.1 | SUSE-SU-2022:3698-1 |
| SLE HPC 15 | MozillaFirefox | 102.4.0-150000.150.62.1 | SUSE-SU-2022:3698-1 |
| SUSE OpenStack Cloud Crowbar 9 | MozillaFirefox | 102.4.0-112.136.3 | SUSE-SU-2022:3719-1 |
| SUSE OpenStack Cloud 9 | MozillaFirefox | 102.4.0-112.136.3 | SUSE-SU-2022:3719-1 |
| SUSE Manager Server 4.1 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| SUSE Manager Retail Branch Server 4.1 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| SUSE Manager Proxy 4.1 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| SUSE Enterprise Storage 7 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| SUSE Enterprise Storage 6 | MozillaFirefox | 102.4.0-150000.150.62.1 | SUSE-SU-2022:3698-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 106.0-1.1 | openSUSE-SU-2024:12429-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 102.4.0-2.1 | openSUSE-SU-2024:12439-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
| openSUSE Leap 15.4 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| openSUSE Leap 15.4 | MozillaThunderbird | 102.5.0-150200.8.90.1 | SUSE-SU-2022:4085-1 |
| openSUSE Leap 15.3 | MozillaFirefox | 102.4.0-150200.152.64.1 | SUSE-SU-2022:3726-1 |
| openSUSE Leap 15.3 | MozillaThunderbird | 102.5.0-150200.8.90.1 | SUSE-SU-2022:4085-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.23 | firefox-esr | 102.4.0-r0 | — |
| Alpine v3.22 | firefox-esr | 102.4.0-r0 | — |
| Alpine v3.21 | firefox-esr | 102.4.0-r0 | — |
| Alpine v3.20 | firefox-esr | 102.4.0-r0 | — |
| Alpine v3.19 | firefox-esr | 102.4.0-r0 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.18 | firefox-esr | 102.4.0-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | thunderbird | 102.4.0-1.amzn2.0.1 | ALAS2-2022-1900 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | firefox | 102.4.0-1.0.1.el9_0 | ELSA-2022-7071 |
| Oracle Linux 9 | thunderbird | 102.4.0-1.el9_0 | ELSA-2022-7178 |
| Oracle Linux 8 | firefox +1 | 102.4.0-1.0.1.el8_6 | ELSA-2022-7190, ELSA-2022-7070 |
| Oracle Linux 7 | firefox +1 | 102.4.0-1.0.1.el7_9 | ELSA-2022-7184, ELSA-2022-7069 |
Advisories 40
- ALSA-2022:7178 Important: thunderbird security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7071 Important: firefox security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7190 Important: thunderbird security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7070 Important: firefox security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:7190 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2022:7183 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2022:7184 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2022:7181 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2022:7182 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2022:7178 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2022:7069 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-5724-1 thunderbird vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-5709-1 firefox vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-5262-1 thunderbird - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5259-1 firefox-esr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3156-1 firefox-esr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3170-1 thunderbird - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2022:7190 Important: thunderbird security update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2022:7070 Important: firefox security update Rocky Linux Security Advisories · Feb 4, 2026
- openSUSE-SU-2024:12439-1 MozillaThunderbird-102.4.0-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3726-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3719-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4085-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12429-1 MozillaFirefox-106.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3698-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14572-1 firefox-esr-128.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2022:7072 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:7071 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:7070 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:7066 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:7068 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- ALAS2-2022-1900 Important: thunderbird security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · May 9, 2024
- WID-SEC-2022-1791 Mozilla Firefox und Thunderbird: Mehrere Schwachstellen ermöglichen Codeausführung BSI CERT-Bund (WID) · Nov 16, 2023
- WID-SEC-2023-0561 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 18, 2023
- ELSA-2022-7069 Important: firefox security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 27, 2022
- ELSA-2022-7178 Important: thunderbird security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Oct 27, 2022
- ELSA-2022-7190 Important: thunderbird security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 27, 2022
- ELSA-2022-7184 Important: thunderbird security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 27, 2022
- ELSA-2022-7070 Important: firefox security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 26, 2022
- ELSA-2022-7071 Important: firefox security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Oct 21, 2022