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

Vulnerability from cvelistv5 – Published: 2025-07-22 20:49 – Updated: 2026-04-13 14:26
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
CWE
  • CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 140.1 , ≤ 140.* (rpm)
Unaffected: 141 , ≤ * (rpm)
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    Mozilla Thunderbird Unaffected: 140.1 , ≤ 140.* (rpm)
Unaffected: 141 , ≤ * (rpm)
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Credits
Viktor Bocz
Show details on NVD website
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  • 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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