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DEBIAN SECURITY ADVISORYDEBIANVERIFIED

PUBLISHER UPDATE · DSA-6585-1

DSA-6585-1 release notes and known issues

DSA-6585-1 thunderbird - security update

Scope: Debian. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code or information disclosure Debian follows the Thunderbird upstream releases. Support for the 140.x series has ended, so starting with this update we're now following the 153.x series. https://security-tracker.debian.org/tracker/DSA-6585-1

Improvements and security content

  • Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code or information disclosure Debian follows the Thunderbird upstream releases. Support for the 140.x series has ended, so starting with this update we're now following the 153.x series. https://security-tracker.debian.org/tracker/DSA-6585-1

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

  • Debian

Affected versions

  • See the official publisher source for applicability.

Fixed versions or updates

  • No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

These links connect the publisher update to related Lifecycle records without treating the update publication date as an end-of-support date.

Official publisher evidence

DEBIANVERIFIED

DSA-6585-1 thunderbird - security update

Checked 30 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source