CVE-2026-57962

Summary

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.

Affected Software

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2042872
• https://www.mozilla.org/security/advisories/mfsa2026-63/
• https://www.mozilla.org/security/advisories/mfsa2026-64/

• ←Previous
• Next→