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3.4 Low

CVE-2025-13015 Spoofing issue in Firefox

Description

Spoofing issue in Firefox. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, and Firefox ESR 115.30.

Affected products and versions

Product	Affected versions	Fixed in
Firefox 145	earliest → < 145	145
Firefox 140.5	earliest → < 140.5	140.5
Firefox 115.30	earliest → < 115.30	115.30
Firefox ESR 115.30	earliest → < 115.30	115.30
Thunderbird 140.5	earliest → < 140.5	140.5

References

bugzilla.mozilla.org bugzilla.mozilla.org
www.mozilla.org www.mozilla.org
www.mozilla.org www.mozilla.org
www.mozilla.org www.mozilla.org

Timeline

Published November 11, 2025
Last modified April 13, 2026

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