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CVE-2025-8036

HIGH
Published 2025-07-22T20:49:25.303Z
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CVSS Score

V3.1
8.1
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Description

Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mozilla

Firefox

Affected Versions:

unspecified
Mozilla

Firefox ESR

Affected Versions:

unspecified
Mozilla

Thunderbird

Affected Versions:

unspecified
Mozilla

Thunderbird

Affected Versions:

unspecified

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

EU Coordinated

Exploitation Status

No Known Exploitation

EUVD ID

View on ENISA

ENISA Analysis

Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1.

Affected Products (ENISA)

mozilla
firefox esr

ENISA Scoring

CVSS Score (3.1)

8.1
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS Score

0.020
probability

ENISA References

https://bugzilla.mozilla.org/show_bug.cgi?id=1960834
https://www.mozilla.org/security/advisories/mfsa2025-56/
https://www.mozilla.org/security/advisories/mfsa2025-59/
https://www.mozilla.org/security/advisories/mfsa2025-61/
https://www.mozilla.org/security/advisories/mfsa2025-63/

Data provided by ENISA EU Vulnerability Database. Last updated: July 23, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-5g22-6w6r-pr2m

Advisory Details

Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-8036
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1960834
WEB https://www.mozilla.org/security/advisories/mfsa2025-56
WEB https://www.mozilla.org/security/advisories/mfsa2025-59
WEB https://www.mozilla.org/security/advisories/mfsa2025-61
WEB https://www.mozilla.org/security/advisories/mfsa2025-63

Advisory provided by GitHub Security Advisory Database. Published: July 22, 2025, Modified: July 23, 2025

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1960834
https://www.mozilla.org/security/advisories/mfsa2025-56/
https://www.mozilla.org/security/advisories/mfsa2025-59/
https://www.mozilla.org/security/advisories/mfsa2025-61/
https://www.mozilla.org/security/advisories/mfsa2025-63/
Published: 2025-07-22T20:49:25.303Z
Last Modified: 2025-07-23T14:28:32.292Z
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