high7.3
CVE-2025-3029
A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack.
Impact
A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 128.9.0 before 137.0 |
| Mozilla | Thunderbird | before 128.9.0 from 129.0 before 137.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=1952213
- https://www.mozilla.org/security/advisories/mfsa2025-20/
- https://www.mozilla.org/security/advisories/mfsa2025-22/
- https://www.mozilla.org/security/advisories/mfsa2025-23/
- https://www.mozilla.org/security/advisories/mfsa2025-24/
- https://lists.debian.org/debian-lts-announce/2025/04/msg00005.html