CVE-2021-29957

2021-05-2800:00:00

ubuntu.com

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

0.001 Low

EPSS

Percentile

44.6%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchthunderbird< 1:78.11.0+build1-0ubuntu0.18.04.2UNKNOWN
ubuntu20.04noarchthunderbird< 1:78.11.0+build1-0ubuntu0.20.04.2UNKNOWN
ubuntu20.10noarchthunderbird< 1:78.11.0+build1-0ubuntu0.20.10.2UNKNOWN
ubuntu21.04noarchthunderbird< 1:78.11.0+build1-0ubuntu0.21.04.2UNKNOWN
ubuntu21.10noarchthunderbird< 1:78.11.0+build1-0ubuntu2UNKNOWN
ubuntu22.04noarchthunderbird< 1:78.11.0+build1-0ubuntu2UNKNOWN
ubuntu22.10noarchthunderbird< 1:78.11.0+build1-0ubuntu2UNKNOWN
ubuntu23.04noarchthunderbird< 1:78.11.0+build1-0ubuntu2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	thunderbird	< 1:78.11.0+build1-0ubuntu0.18.04.2	UNKNOWN
ubuntu	20.04	noarch	thunderbird	< 1:78.11.0+build1-0ubuntu0.20.04.2	UNKNOWN
ubuntu	20.10	noarch	thunderbird	< 1:78.11.0+build1-0ubuntu0.20.10.2	UNKNOWN
ubuntu	21.04	noarch	thunderbird	< 1:78.11.0+build1-0ubuntu0.21.04.2	UNKNOWN
ubuntu	21.10	noarch	thunderbird	< 1:78.11.0+build1-0ubuntu2	UNKNOWN
ubuntu	22.04	noarch	thunderbird	< 1:78.11.0+build1-0ubuntu2	UNKNOWN
ubuntu	22.10	noarch	thunderbird	< 1:78.11.0+build1-0ubuntu2	UNKNOWN
ubuntu	23.04	noarch	thunderbird	< 1:78.11.0+build1-0ubuntu2	UNKNOWN