CVE-2026-57962 (GCVE-0-2026-57962)

Vulnerability from cvelistv5 – Published: 2026-07-01 00:58 – Updated: 2026-07-01 00:58
VLAI
Title
Denial-of-service via malicious LDAP address-book server
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Mozilla Thunderbird Unaffected: 140.12.1 , ≤ 140.* (rpm)
Unaffected: 152.0.1 , ≤ * (rpm)
Create a notification for this product.
Credits
Michael Bommarito
Show details on NVD website
To clipboard 

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            },
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              "versionType": "rpm"
            }
          ]
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        }
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            }
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-01T00:58:32.777Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
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          "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/"
        }
      ],
      "title": "Denial-of-service via malicious LDAP address-book server"
    }
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  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-57962",
    "datePublished": "2026-07-01T00:58:32.777Z",
    "dateReserved": "2026-06-26T15:27:32.831Z",
    "dateUpdated": "2026-07-01T00:58:32.777Z",
    "state": "PUBLISHED"
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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