Description
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.
Published:
2026-07-01
Score:
n/a
EPSS:
n/a
KEV:
No
Impact:
n/a
Action:
n/a
Analysis
No analysis available yet.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Thunderbird | affected |
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No data.
No data available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
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References
History
Wed, 01 Jul 2026 01:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Denial-of-service via malicious LDAP address-book server | |
| References |
|
Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-07-01T00:58:32.777Z
Reserved: 2026-06-26T15:27:32.831Z
Link: CVE-2026-57962
Vulnrichment
No data.
NVD
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Redhat
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OpenCVE Enrichment
No data.
Weaknesses
No weakness.