CVE-2025-26696
First published: Tue Mar 04 2025(Updated: )
Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Thunderbird | <136<128.8 | |
| Thunderbird | <136 | 136 |
| Thunderbird | <128.8 | 128.8 |
| Thunderbird | <128.8.0 | |
| Thunderbird | >=129.0<136.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2025-26696?
CVE-2025-26696 has been classified as a moderate severity vulnerability.
How do I fix CVE-2025-26696?
To fix CVE-2025-26696, users should upgrade to Thunderbird version 136 or later, or 128.8 or later.
What is the impact of CVE-2025-26696 on affected software?
CVE-2025-26696 may lead to users mistakenly believing that an OpenPGP signed message is encrypted, which could compromise the integrity of sensitive communications.
Which versions of Thunderbird are affected by CVE-2025-26696?
Thunderbird versions prior to 136 and prior to 128.8 are affected by CVE-2025-26696.
What type of messages does CVE-2025-26696 affect?
CVE-2025-26696 affects crafted MIME email messages that claim to contain encrypted OpenPGP messages.
- agent/type
- agent/guess-ai
- agent/software-canonical-lookup
- agent/author
- agent/weakness
- collector/mozilla-advisory
- source/Mozilla
- agent/severity
- agent/description
- agent/source
- agent/first-publish-date
- agent/references
- agent/tags
- collector/mitre-cve
- source/MITRE
- collector/epss-latest
- source/FIRST
- agent/epss
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/softwarecombine
- agent/event
- vendor/mozilla
- canonical/thunderbird
- version/thunderbird/129.0