Linux Security
Linux Security
Linux Security

Mageia 2021-0189: thunderbird security update

Date 15 Apr 2021
104
Posted By LinuxSecurity Advisories
An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an existing key (CVE-2021-23991). A crafted OpenPGP key with an invalid user ID could be used to confuse the user (MOZ-2021-23992).
MGASA-2021-0189 - Updated thunderbird packages fix security vulnerabilities

Publication date: 15 Apr 2021
URL: https://advisories.mageia.org/MGASA-2021-0189.html
Type: security
Affected Mageia releases: 7, 8
CVE: CVE-2021-23991,
     CVE-2021-23993

An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an
existing key (CVE-2021-23991).

A crafted OpenPGP key with an invalid user ID could be used to confuse the
user (MOZ-2021-23992).

Inability to send encrypted OpenPGP email after importing a crafted OpenPGP
key (CVE-2021-23993).

References:
- https://bugs.mageia.org/show_bug.cgi?id=28764
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-13/
- https://www.thunderbird.net/en-US/thunderbird/78.9.1/releasenotes/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23991
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23993

SRPMS:
- 7/core/thunderbird-78.9.1-1.mga7
- 7/core/thunderbird-l10n-78.9.1-1.mga7
- 8/core/thunderbird-78.9.1-1.mga8
- 8/core/thunderbird-l10n-78.9.1-1.mga8

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