CVE-2021-29950
Last modified
CVE-2021-29950 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. EPSS estimates a 0.85% chance of exploitation in the next 30 days.
Description
Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird < 78.8.1.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | < 78.8.1 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1673239Exploit, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-17/Release Notes, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1673239Exploit, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-17/Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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