Description
A data race could occur in the <code>PK11_ChangePW</code> function, potentially leading to a use-after-free vulnerability. In Firefox, this lock protected the data when a user changed their master password. This vulnerability affects Firefox ESR < 102.2 and Thunderbird < 102.2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox ESR | unspecified – < 102.2 | 102.2 |
| Mozilla | Thunderbird | unspecified – < 102.2 | 102.2 |
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 | 102.2.0esr-1 | — |
| Debian 14 | thunderbird | 1:102.2.0-1 | — |
| Debian 13 | firefox-esr | 102.2.0esr-1 | — |
| Debian 13 | thunderbird | 1:102.2.0-1 | — |
| Debian 12 | firefox-esr | 102.2.0esr-1 | — |
| Debian 12 | thunderbird | 1:102.2.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | thunderbird | 1:102.2.2+build1-0ubuntu0.22.04.1 | USN-5663-1 |
| Ubuntu 20.04 LTS | thunderbird | 1:102.2.2+build1-0ubuntu0.20.04.1 | USN-5663-1 |
| Ubuntu 18.04 LTS | thunderbird | 1:102.2.2+build1-0ubuntu0.18.04.1 | USN-5663-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | firefox +1 | 91.13.0-1.el9_0 | RHSA-2022:6174, RHSA-2022:6165 |
| RHEL 8 | firefox +1 | 91.13.0-1.el8_6 | RHSA-2022:6175, RHSA-2022:6164 |
| RHEL 7 | firefox +1 | 91.13.0-1.el7_9 | RHSA-2022:6179, RHSA-2022:6169 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.4 EUS | firefox +1 | 91.13.0-1.el8_4 | RHSA-2022:6176, RHSA-2022:6166 |
| RHEL 8.2 EUS | firefox +1 | 91.13.0-1.el8_2 | RHSA-2022:6177, RHSA-2022:6168 |
| RHEL 8.1 E4S | firefox +1 | 91.13.0-1.el8_1 | RHSA-2022:6178, RHSA-2022:6167 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | firefox +1 | 91.13.0-1.el9_0.alma | ALSA-2022:6174, ALSA-2022:6165 |
| AlmaLinux 8 | firefox +1 | 91.13.0-1.el8_6.alma | ALSA-2022:6175, ALSA-2022:6164 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | firefox +1 | 91.13.0-1.el8_6 | RLSA-2022:6175, RLSA-2022:6164 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| SLES 15 SP4 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| SLES 15 SP4 | MozillaThunderbird | 102.2.2-150200.8.82.1 | SUSE-SU-2022:3281-1 |
| SLES 15 SP3 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| SLES 15 SP3 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| SLES 15 SP3 | MozillaThunderbird | 102.2.2-150200.8.82.1 | SUSE-SU-2022:3281-1 |
| SLES 15 SP2 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| SLES 15 SP2 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| SLES 15 SP1 | MozillaFirefox | 102.2.0-150000.150.56.1 | SUSE-SU-2022:3272-1 |
| SLES 15 SP1 | MozillaFirefox-branding-SLE | 102-150000.4.22.1 | SUSE-SU-2022:3272-1 |
| SLES 15 | MozillaFirefox | 102.2.0-150000.150.56.1 | SUSE-SU-2022:3272-1 |
| SLES 15 | MozillaFirefox-branding-SLE | 102-150000.4.22.1 | SUSE-SU-2022:3272-1 |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | MozillaFirefox | 102.2.0-112.130.1 | SUSE-SU-2022:3273-1 |
| SLES 12 SP5 | MozillaFirefox-branding-SLE | 102-35.9.1 | SUSE-SU-2022:3273-1 |
| SLES 12 SP4 | MozillaFirefox | 102.2.0-112.130.1 | SUSE-SU-2022:3273-1 |
| SLES 12 SP4 | MozillaFirefox-branding-SLE | 102-35.9.1 | SUSE-SU-2022:3273-1 |
| SLES 12 SP3 | MozillaFirefox | 102.2.0-112.130.1 | SUSE-SU-2022:3273-1 |
| SLES 12 SP3 | MozillaFirefox-branding-SLE | 102-35.9.1 | SUSE-SU-2022:3273-1 |
| SLES 12 SP2 | MozillaFirefox | 102.2.0-112.130.1 | SUSE-SU-2022:3273-1 |
| SLES 12 SP2 | MozillaFirefox-branding-SLE | 102-35.9.1 | SUSE-SU-2022:3273-1 |
| SLES for SAP 15 SP2 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| SLES for SAP 15 SP2 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| SLES for SAP 15 SP1 | MozillaFirefox | 102.2.0-150000.150.56.1 | SUSE-SU-2022:3272-1 |
| SLES for SAP 15 SP1 | MozillaFirefox-branding-SLE | 102-150000.4.22.1 | SUSE-SU-2022:3272-1 |
| SLES for SAP 15 | MozillaFirefox | 102.2.0-150000.150.56.1 | SUSE-SU-2022:3272-1 |
| SLES for SAP 15 | MozillaFirefox-branding-SLE | 102-150000.4.22.1 | SUSE-SU-2022:3272-1 |
| SLES for SAP 12 SP5 | MozillaFirefox | 102.2.0-112.130.1 | SUSE-SU-2022:3273-1 |
| SLES for SAP 12 SP5 | MozillaFirefox-branding-SLE | 102-35.9.1 | SUSE-SU-2022:3273-1 |
| SLES for SAP 12 SP4 | MozillaFirefox | 102.2.0-112.130.1 | SUSE-SU-2022:3273-1 |
| SLES for SAP 12 SP4 | MozillaFirefox-branding-SLE | 102-35.9.1 | SUSE-SU-2022:3273-1 |
| SLE HPC 15 SP2 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| SLE HPC 15 SP2 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| SLE HPC 15 SP1 | MozillaFirefox | 102.2.0-150000.150.56.1 | SUSE-SU-2022:3272-1 |
| SLE HPC 15 SP1 | MozillaFirefox-branding-SLE | 102-150000.4.22.1 | SUSE-SU-2022:3272-1 |
| SLE HPC 15 | MozillaFirefox | 102.2.0-150000.150.56.1 | SUSE-SU-2022:3272-1 |
| SLE HPC 15 | MozillaFirefox-branding-SLE | 102-150000.4.22.1 | SUSE-SU-2022:3272-1 |
| SUSE OpenStack Cloud Crowbar 9 | MozillaFirefox | 102.2.0-112.130.1 | SUSE-SU-2022:3273-1 |
| SUSE OpenStack Cloud Crowbar 9 | MozillaFirefox-branding-SLE | 102-35.9.1 | SUSE-SU-2022:3273-1 |
| SUSE OpenStack Cloud 9 | MozillaFirefox | 102.2.0-112.130.1 | SUSE-SU-2022:3273-1 |
| SUSE OpenStack Cloud 9 | MozillaFirefox-branding-SLE | 102-35.9.1 | SUSE-SU-2022:3273-1 |
| SUSE Manager Server 4.1 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| SUSE Manager Server 4.1 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| SUSE Manager Retail Branch Server 4.1 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| SUSE Manager Retail Branch Server 4.1 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| SUSE Manager Proxy 4.1 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| SUSE Manager Proxy 4.1 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| SUSE Enterprise Storage 7 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| SUSE Enterprise Storage 7 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| SUSE Enterprise Storage 6 | MozillaFirefox | 102.2.0-150000.150.56.1 | SUSE-SU-2022:3272-1 |
| SUSE Enterprise Storage 6 | MozillaFirefox-branding-SLE | 102-150000.4.22.1 | SUSE-SU-2022:3272-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaThunderbird | 102.2.0-1.1 | openSUSE-SU-2024:12287-1 |
| openSUSE Leap 15.4 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| openSUSE Leap 15.4 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| openSUSE Leap 15.4 | MozillaThunderbird | 102.2.2-150200.8.82.1 | SUSE-SU-2022:3281-1 |
| openSUSE Leap 15.3 | MozillaFirefox | 102.3.0-150200.152.61.1 | SUSE-SU-2022:3396-1 |
| openSUSE Leap 15.3 | MozillaFirefox-branding-SLE | 102-150200.9.10.1 | SUSE-SU-2022:3396-1 |
| openSUSE Leap 15.3 | MozillaThunderbird | 102.2.2-150200.8.82.1 | SUSE-SU-2022:3281-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.23 | firefox-esr | 102.2.0-r0 | — |
| Alpine v3.22 | firefox-esr | 102.2.0-r0 | — |
| Alpine v3.21 | firefox-esr | 102.2.0-r0 | — |
| Alpine v3.20 | firefox-esr | 102.2.0-r0 | — |
| Alpine v3.19 | firefox-esr | 102.2.0-r0 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.18 | firefox-esr | 102.2.0-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | thunderbird | 91.13.0-1.amzn2.0.1 | ALAS2-2022-1855 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | firefox +1 | 91.13.0-1.0.1.el9_0 | ELSA-2022-6174, ELSA-2022-6165 |
| Oracle Linux 8 | firefox +1 | 91.13.0-1.0.1.el8_6 | ELSA-2022-6175, ELSA-2022-6164 |
| Oracle Linux 7 | firefox +1 | 91.13.0-1.0.1.el7_9 | ELSA-2022-6179, ELSA-2022-6169 |
Advisories 31
- ALSA-2022:6165 Important: thunderbird security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:6174 Important: firefox security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:6175 Important: firefox security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:6164 Important: thunderbird security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:6179 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2022:6169 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-5663-1 thunderbird vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- RLSA-2022:6164 Important: thunderbird security update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2022:6175 Important: firefox security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2022:3273-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3396-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3281-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12287-1 MozillaThunderbird-102.2.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3272-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2022:6178 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:6177 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:6175 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:6176 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:6174 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:6168 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:6167 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:6166 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:6164 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2022:6165 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- ALAS2-2022-1855 Important: thunderbird security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 10, 2022
- ELSA-2022-6174 Important: firefox security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 25, 2022
- ELSA-2022-6165 Important: thunderbird security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 25, 2022
- ELSA-2022-6175 Important: firefox security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 25, 2022
- ELSA-2022-6164 Important: thunderbird security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 25, 2022
- ELSA-2022-6169 Important: thunderbird security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 25, 2022
- ELSA-2022-6179 Important: firefox security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 25, 2022