openEuler-SA-2026-3093

Synopsis:

thunderbird security updateSummary:

An update for thunderbird is now available for openEuler-24.03-LTS-SP4Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and Thunderbird 140.12.1.(CVE-2026-57962)

An attacker who can send HTML chat messages (via Matrix or XMPP) can inject arbitrary styled content, phishing links, and CSS that manipulates the chat UI. This vulnerability was fixed in Thunderbird 152.0.1 and Thunderbird 140.12.1.(CVE-2026-57963)Topic:

An update for thunderbird is now available for openEuler-24.03-LTS-SP4.

openEuler Security has rated this update as having a security impact of medium. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.Severity:

MediumAffected Component:

thunderbird