Vulnerability Monitor

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CVE-2025-10529

This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

Published

2025-09-16T13:15:45.550

Last Modified

2025-09-19T20:49:02.523

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses

Type: Secondary
CWE-942

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 140.3.0	Yes
Application	mozilla	firefox	< 143.0	Yes
Application	mozilla	thunderbird	< 143.0	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1970490 Permissions Required ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-73/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-75/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-77/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-78/ Vendor Advisory ([email protected])