RedHatRHSA-2021:1190(RHSA-2021:1190) Moderate: thunderbird security update
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.002 Low
EPSS
Percentile
64.4%
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.9.1.
Security Fix(es):
-
Mozilla: An attacker may use Thunderbird’s OpenPGP key refresh mechanism to poison an existing key (CVE-2021-23991)
-
Mozilla: A crafted OpenPGP key with an invalid user ID could be used to confuse the user (CVE-2021-23992)
-
Mozilla: Inability to send encrypted OpenPGP email after importing a crafted OpenPGP key (CVE-2021-23993)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| RedHat | 8 | ppc64le | thunderbird-debugsource | < 78.9.1-1.el8_1 | thunderbird-debugsource-78.9.1-1.el8_1.ppc64le.rpm |
| RedHat | 8 | ppc64le | thunderbird | < 78.9.1-1.el8_1 | thunderbird-78.9.1-1.el8_1.ppc64le.rpm |
| RedHat | 8 | x86_64 | thunderbird-debuginfo | < 78.9.1-1.el8_1 | thunderbird-debuginfo-78.9.1-1.el8_1.x86_64.rpm |
| RedHat | 8 | x86_64 | thunderbird | < 78.9.1-1.el8_1 | thunderbird-78.9.1-1.el8_1.x86_64.rpm |
| RedHat | 8 | ppc64le | thunderbird-debuginfo | < 78.9.1-1.el8_1 | thunderbird-debuginfo-78.9.1-1.el8_1.ppc64le.rpm |
| RedHat | 8 | x86_64 | thunderbird-debugsource | < 78.9.1-1.el8_1 | thunderbird-debugsource-78.9.1-1.el8_1.x86_64.rpm |
Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.002 Low
EPSS
Percentile
64.4%