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CVE Vulnerability Details :
CVE-2025-11711
PUBLISHED
More InfoOfficial Page
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
View Known Exploited Vulnerability (KEV) details
Published At-14 Oct, 2025 | 12:27
Updated At-13 Apr, 2026 | 14:29
Rejected At-
▼CVE Numbering Authority (CNA)
Some non-writable Object properties could be modified

There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Unaffected
  • From 115.29 through 115.* (rpm)
  • From 140.4 through 140.* (rpm)
  • From 144 through * (rpm)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Unaffected
  • From 140.4 through 140.* (rpm)
  • From 144 through * (rpm)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
EntryHi
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1989978
N/A
https://www.mozilla.org/security/advisories/mfsa2025-81/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-82/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-83/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-84/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-85/
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1989978
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-81/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-82/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-83/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-84/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-85/
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-591CWE-591 Sensitive Data Storage in Improperly Locked Memory
Type: CWE
CWE ID: CWE-591
Description: CWE-591 Sensitive Data Storage in Improperly Locked Memory
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/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/2025/10/msg00031.html
N/A
https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html
N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html
Resource: N/A
Details not found