Upstream information

CVE-2021-23991 at MITRE

Description

If a Thunderbird user has previously imported Alice's OpenPGP key, and Alice has extended the validity period of her key, but Alice's updated key has not yet been imported, an attacker may send an email containing a crafted version of Alice's key with an invalid subkey, Thunderbird might subsequently attempt to use the invalid subkey, and will fail to send encrypted email to Alice. This vulnerability affects Thunderbird < 78.9.1.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  SUSE
Base Score 4.3
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Access Vector Network
Access Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1184536 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Workstation Extension 15 SP2
  • MozillaThunderbird >= 78.9.1-8.20.1
  • MozillaThunderbird-translations-common >= 78.9.1-8.20.1
  • MozillaThunderbird-translations-other >= 78.9.1-8.20.1
Patchnames:
SUSE-SLE-Product-WE-15-SP2-2021-1167
openSUSE Leap 15.2
  • MozillaThunderbird >= 78.9.1-lp152.2.38.1
  • MozillaThunderbird-translations-common >= 78.9.1-lp152.2.38.1
  • MozillaThunderbird-translations-other >= 78.9.1-lp152.2.38.1
Patchnames:
openSUSE-2021-580
openSUSE Tumbleweed
  • MozillaThunderbird >= 91.1.1-1.1
  • MozillaThunderbird-translations-common >= 91.1.1-1.1
  • MozillaThunderbird-translations-other >= 91.1.1-1.1
Patchnames:
openSUSE Tumbleweed GA MozillaThunderbird-91.1.1-1.1


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Workstation Extension 15 SP2 MozillaThunderbird Released
SUSE Linux Enterprise Workstation Extension 15 SP3 MozillaThunderbird Released