Vulnerability · Published Sep 6, 2024 · Assigned by mozilla
CVE-2024-8394
Medium 6.5
In plain English
A medium-severity use-after-free in Thunderbird from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 73.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | thunderbird | 128.2.0-1.el8_10.alma.1 | ALSA-2024:6684 |
| AlmaLinux:9 | thunderbird | 128.2.0-1.el9_4.alma.1 | ALSA-2024:6683 |
| Debian:13 | thunderbird | 1:128.2.0esr-1 | DEBIAN-CVE-2024-8394 |
| Debian:14 | thunderbird | 1:128.2.0esr-1 | DEBIAN-CVE-2024-8394 |
| Rocky Linux:8 | thunderbird | 0:128.2.0-1.el8_10 | RLSA-2024:6684 |
| Rocky Linux:9 | thunderbird | 0:128.2.0-1.el9_4.0.1 | RLSA-2024:6683 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | unspecified – before 128.2 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H