Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2021-29957

Published: Jun 24, 2021 | Modified: Nov 21, 2024
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
3.5 LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-29957
CWEhttps://cwe.mitre.org/data/definitions/NVD-Other.html

If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird < 78.10.2.

Affected Software

NameVendorStart VersionEnd Version
ThunderbirdMozilla*78.10.2 (excluding)
Red Hat Enterprise Linux 7RedHatthunderbird-0:78.11.0-1.el7_9*
Red Hat Enterprise Linux 8RedHatthunderbird-0:78.11.0-1.el8_4*
Red Hat Enterprise Linux 8.1 Extended Update SupportRedHatthunderbird-0:78.11.0-1.el8_1*
Red Hat Enterprise Linux 8.2 Extended Update SupportRedHatthunderbird-0:78.11.0-1.el8_2*
ThunderbirdUbuntubionic*
ThunderbirdUbuntudevel*
ThunderbirdUbuntufocal*
ThunderbirdUbuntugroovy*
ThunderbirdUbuntuhirsute*
ThunderbirdUbuntuimpish*
ThunderbirdUbuntujammy*
ThunderbirdUbuntukinetic*
ThunderbirdUbuntulunar*
ThunderbirdUbuntutrusty*
ThunderbirdUbuntuupstream*
ThunderbirdUbuntuxenial*

References

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