Description
When aborting the verification of an OTR chat session, an attacker could have caused a use-after-free bug leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 128.2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Thunderbird | unspecified – < 128.2 | 128.2 |
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 | thunderbird | 1:128.2.0esr-1 | — |
| Debian 13 | thunderbird | 1:128.2.0esr-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | thunderbird | 128.2.0-1.el9_4 | RHSA-2024:6683 |
| RHEL 8 | thunderbird | 128.2.0-1.el8_10 | RHSA-2024:6684 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | thunderbird | 128.2.0-1.el9_2 | RHSA-2024:6720 |
| RHEL 9.0 E4S | thunderbird | 128.2.0-1.el9_0 | RHSA-2024:6722 |
| RHEL 8.8 EUS | thunderbird | 128.2.0-1.el8_8 | RHSA-2024:6719 |
| RHEL 8.6 TUS | thunderbird | 128.2.0-1.el8_6 | RHSA-2024:6816 |
| RHEL 8.4 TUS | thunderbird | 128.2.0-1.el8_4 | RHSA-2024:6721 |
| RHEL 8.4 E4S | thunderbird | 128.2.0-1.el8_4 | RHSA-2024:6721 |
| RHEL 8.4 AUS | thunderbird | 128.2.0-1.el8_4 | RHSA-2024:6721 |
| RHEL 8.2 AUS | thunderbird | 128.2.0-1.el8_2 | RHSA-2024:6723 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | thunderbird | 128.2.0-1.el9_4.alma.1 | ALSA-2024:6683 |
| AlmaLinux 8 | thunderbird | 128.2.0-1.el8_10.alma.1 | ALSA-2024:6684 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | thunderbird | 128.2.0-1.el9_4.0.1 | RLSA-2024:6683 |
| Rocky Linux 8 | thunderbird | 128.2.0-1.el8_10 | RLSA-2024:6684 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | MozillaThunderbird | 128.2.3-150200.8.177.1 | SUSE-SU-2024:3507-1 |
| SLES 15 SP5 | MozillaThunderbird | 128.2.3-150200.8.177.1 | SUSE-SU-2024:3507-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.6 | MozillaThunderbird | 128.2.3-150200.8.177.1 | SUSE-SU-2024:3507-1 |
| openSUSE Leap 15.5 | MozillaThunderbird | 128.2.3-150200.8.177.1 | SUSE-SU-2024:3507-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | thunderbird | 128.2.0-1.0.2.el9_4 | ELSA-2024-6683 |
| Oracle Linux 8 | thunderbird | 128.2.0-1.0.2.el8_10 | ELSA-2024-6684 |
Advisories 16
- ALSA-2024:6684 Important: thunderbird security update AlmaLinux Security Advisories · Nov 6, 2026
- ALSA-2024:6683 Important: thunderbird security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:6816 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:6721 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:6722 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:6723 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:6683 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:6720 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:6684 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RHSA-2024:6719 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- RLSA-2024:6683 Important: thunderbird security update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2024:6684 Important: thunderbird security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2024:3507-1 Security update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-2038 Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 12, 2025
- ELSA-2024-6684 Important: thunderbird security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Sep 20, 2024
- ELSA-2024-6683 Important: thunderbird security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Sep 20, 2024