{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-57962", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2026-06-26T15:27:32.831Z", "datePublished": "2026-07-01T00:58:32.777Z", "dateUpdated": "2026-07-01T00:58:32.777Z"}, "containers": {"cna": {"affected": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"status": "unaffected", "version": "140.12.1", "lessThanOrEqual": "140.*", "versionType": "rpm"}, {"status": "unaffected", "version": "152.0.1", "lessThanOrEqual": "*", "versionType": "rpm"}]}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "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": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2042872"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-62/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-63/"}], "credits": [{"lang": "en", "value": "Michael Bommarito"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2026-07-01T00:58:32.777Z"}}}}

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