Vulnerability · Published Feb 4, 2025 · Assigned by mozilla

CVE-2025-0510Address of e-mail sender can be spoofed by malicious email

Medium 6.5

In plain English

A medium-severity insufficient verification of data authenticity 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 21% 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 78.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8thunderbird128.7.0-1.el8_10.alma.1ALSA-2025:1292
AlmaLinux:9thunderbird128.7.0-1.el9_5.alma.1ALSA-2025:1184
Debian:12thunderbird1:128.7.0esr-1~deb12u1DEBIAN-CVE-2025-0510
Debian:12thunderbird1:128.7.0esr-1~deb12u1DSA-5861-1
Debian:13thunderbird1:128.7.0esr-1DEBIAN-CVE-2025-0510
Debian:14thunderbird1:128.7.0esr-1DEBIAN-CVE-2025-0510
Rocky Linux:8thunderbird0:128.7.0-1.el8_10RLSA-2025:1292
Ubuntu:22.04:LTSthunderbird1:128.12.0+build1-0ubuntu0.22.04.1UBUNTU-CVE-2025-0510
Ubuntu:22.04:LTSthunderbird1:128.12.0+build1-0ubuntu0.22.04.1USN-7663-1

Affected products (as reported)

VendorProductVersions
Mozilla Thunderbird see references

Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References