Description
Certificate OCSP revocation status was not checked when verifying S/Mime signatures. Mail signed with a revoked certificate would be displayed as having a valid signature. Thunderbird versions from 68 to 102.7.0 were affected by this bug. This vulnerability affects Thunderbird < 102.7.1.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Thunderbird | unspecified – < 102.7.1 | 102.7.1 |
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 | thunderbird | 1:102.7.1+1-1 | — |
| Debian 13 | thunderbird | 1:102.7.1+1-1 | — |
| Debian 12 | thunderbird | 1:102.7.1+1-1 | — |
| Debian 11 | thunderbird | 1:102.8.0-1~deb11u1 | DSA-5355-1 |
| Debian 10 | thunderbird | 1:102.8.0-1~deb10u1 | DLA-3324-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | thunderbird | 1:102.7.1+build2-0ubuntu0.22.04.1 | USN-5824-1 |
| Ubuntu 20.04 LTS | thunderbird | 1:102.7.1+build2-0ubuntu0.20.04.1 | USN-5824-1 |
| Ubuntu 18.04 LTS | thunderbird | 1:102.7.1+build2-0ubuntu0.18.04.1 | USN-5824-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | thunderbird | 102.7.1-2.el9_1 | RHSA-2023:0608 |
| RHEL 8 | thunderbird | 102.7.1-2.el8_7 | RHSA-2023:0606 |
| RHEL 7 | thunderbird | 102.7.1-2.el7_9 | RHSA-2023:0600 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.0 EUS | thunderbird | 102.7.1-2.el9_0 | RHSA-2023:0607 |
| RHEL 8.6 EUS | thunderbird | 102.7.1-2.el8_6 | RHSA-2023:0605 |
| RHEL 8.4 EUS | thunderbird | 102.7.1-2.el8_4 | RHSA-2023:0603 |
| RHEL 8.2 TUS | thunderbird | 102.7.1-2.el8_2 | RHSA-2023:0602 |
| RHEL 8.2 E4S | thunderbird | 102.7.1-2.el8_2 | RHSA-2023:0602 |
| RHEL 8.2 AUS | thunderbird | 102.7.1-2.el8_2 | RHSA-2023:0602 |
| RHEL 8.1 E4S | thunderbird | 102.7.1-2.el8_1 | RHSA-2023:0601 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | thunderbird | 102.7.1-2.el9_1.alma | ALSA-2023:0608 |
| AlmaLinux 8 | thunderbird | 102.7.1-2.el8_7.alma | ALSA-2023:0606 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | thunderbird | 102.7.1-2.el9_1 | RLSA-2023:0608 |
| Rocky Linux 8 | thunderbird | 102.7.1-2.el8_7 | RLSA-2023:0606 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | MozillaThunderbird | 102.7.1-150200.8.102.1 | SUSE-SU-2023:0329-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaThunderbird | 102.7.1-1.1 | openSUSE-SU-2024:12652-1 |
| openSUSE Leap 15.4 | MozillaThunderbird | 102.7.1-150200.8.102.1 | SUSE-SU-2023:0329-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | thunderbird | 102.7.1-1.amzn2.0.1 | ALAS2-2023-1951 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | thunderbird | 102.7.1-2.0.1.el9_1 | ELSA-2023-0608 |
| Oracle Linux 8 | thunderbird | 102.7.1-2.0.1.el8_7 | ELSA-2023-0606 |
| Oracle Linux 7 | thunderbird | 102.7.1-2.0.1.el7_9 | ELSA-2023-0600 |
Advisories 23
- ALSA-2023:0608 Important: thunderbird security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:0606 Important: thunderbird security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2023:0600 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-5824-1 thunderbird vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5355-1 thunderbird - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3324-1 thunderbird - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2023:0608 Important: thunderbird security update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2023:0606 Important: thunderbird security update Rocky Linux Security Advisories · Feb 4, 2026
- openSUSE-SU-2024:12652-1 MozillaThunderbird-102.7.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0329-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2023:0607 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2023:0608 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2023:0606 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2023:0605 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2023:0602 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2023:0603 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2023:0601 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- WID-SEC-2023-1424 Xerox FreeFlow Print Server für Solaris: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 6, 2025
- ALAS2-2023-1951 Important: thunderbird security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 30, 2025
- WID-SEC-2023-0244 Mozilla Thunderbird: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Feb 20, 2023
- ELSA-2023-0608 Important: thunderbird security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Feb 7, 2023
- ELSA-2023-0606 Important: thunderbird security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Feb 7, 2023
- ELSA-2023-0600 Important: thunderbird security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 7, 2023