Vulnerability · Published Jun 2, 2023 · Assigned by mozilla
CVE-2023-0547
Medium 6.5
In plain English
A medium-severity improper certificate validation 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 0.4% (higher than 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 68.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
OCSP revocation status of recipient certificates was not checked when sending S/Mime encrypted email, and revoked certificates would be accepted. Thunderbird versions from 68 to 102.9.1 were affected by this bug. This vulnerability affects Thunderbird < 102.10.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | thunderbird | 102.10.0-2.el8_7.alma | ALSA-2023:1802 |
| AlmaLinux:9 | thunderbird | 102.10.0-2.el9_1.alma | ALSA-2023:1809 |
| Debian:12 | thunderbird | 1:102.10.0-1 | DEBIAN-CVE-2023-0547 |
| Debian:13 | thunderbird | 1:102.10.0-1 | DEBIAN-CVE-2023-0547 |
| Debian:14 | thunderbird | 1:102.10.0-1 | DEBIAN-CVE-2023-0547 |
| Rocky Linux:8 | thunderbird | 0:102.10.0-2.el8_7 | RLSA-2023:1802 |
| Rocky Linux:9 | thunderbird | 0:102.10.0-2.el9_1 | RLSA-2023:1809 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.10.0+build2-0ubuntu0.22.04.1 | UBUNTU-CVE-2023-0547 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.10.0+build2-0ubuntu0.22.04.1 | USN-6015-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | unspecified – before 102.10 |
Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N