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CVE-2025-8036 (GCVE-0-2025-8036)

Vulnerability from cvelistv5 – Published: 2025-07-22 20:49 – Updated: 2026-07-29 14:54
VLAI
Title
DNS rebinding circumvents CORS
Summary
Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-23 14:26 UTC
CWE
  • CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
Impacted products
Vendor Product Version CPE status
Mozilla Firefox Unaffected: 140.1 , ≤ 140.* (rpm)
Unaffected: 141 , ≤ * (rpm)
guessed Create a notification for this product.
Mozilla Thunderbird Unaffected: 140.1 , ≤ 140.* (rpm)
Unaffected: 141 , ≤ * (rpm)
guessed Create a notification for this product.
Credits
Viktor Bocz
Show details on NVD website
To clipboard 

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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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