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CVE Vulnerability Details :
CVE-2025-10529
PUBLISHED
More InfoOfficial Page
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
View Known Exploited Vulnerability (KEV) details
Published At-16 Sep, 2025 | 12:26
Updated At-13 Apr, 2026 | 14:28
Rejected At-
▼CVE Numbering Authority (CNA)
Same-origin policy bypass in the Layout component

Same-origin policy bypass in the Layout component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Unaffected
  • From 140.3 through 140.* (rpm)
  • From 143 through * (rpm)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Unaffected
  • From 140.3 through 140.* (rpm)
  • From 143 through * (rpm)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Daniel Holbert
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1970490
N/A
https://www.mozilla.org/security/advisories/mfsa2025-73/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-75/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-77/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-78/
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1970490
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-73/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-75/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-77/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-78/
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-942CWE-942 Permissive Cross-domain Policy with Untrusted Domains
Type: CWE
CWE ID: CWE-942
Description: CWE-942 Permissive Cross-domain Policy with Untrusted Domains
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html
N/A
https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html
N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html
Resource: N/A
Details not found