CVE-2023-50762 When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user.

What is CVE-2023-50762?

CVE-2023-50762 is a medium-severity vulnerability in Debian Debian Linux, published on 19 Dec 2023.

Official description

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header section. A digitally signed text from a different context, such as a signed GIT commit, could be used to spoof an email message. This vulnerability affects Thunderbird < 115.6.

Which versions are affected by CVE-2023-50762?

It affects 2 products.

Products include Debian Debian Linux, Mozilla Thunderbird.

How do I fix CVE-2023-50762?

Upgrade to a fixed version.

Is CVE-2023-50762 being exploited?

There is no known exploitation of CVE-2023-50762 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2023-50762, GHSA-63rr-fhmr-42fq, UBUNTU-CVE-2023-50762.