CVE-2021-29950

HIGH

Thunderbird < 78.8.1 - Cleartext Storage of Sensitive OpenPGP Key in Memory

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://www.mozilla.org/security/advisories/mfsa2021-17/
Exploit, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1673239

Scores

CVSS v3 7.5
EPSS 0.0013
EPSS Percentile 32.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-312
Status published
Products (1)
mozilla/thunderbird < 78.8.1
Published Jun 24, 2021
Tracked Since Feb 18, 2026