A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
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Score 4.3 from GitHub Security Advisory published 2025-03-04. NVD baseline CVSS 4.3; sources differ by 0.0.
A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
March 4, 2025
June 4, 2026
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | xul-ext-lightning (1:128.12.0+build1-0ubuntu0.22.04.1) @ jammy | 2026-05-21 | ubuntu |
| ubuntu | firefox-mozsymbols (136.0+build3-0ubuntu0.20.04.1) @ focal | 2026-05-21 | ubuntu |
| redhat | firefox-0:128.8.0-1.el7_9 | 2025-03-13 | redhat |
| redhat | firefox-0:128.8.0-1.el8_2 | 2025-03-13 | redhat |
| redhat | firefox-0:128.8.0-1.el8_8 | 2025-03-10 | redhat |
| redhat | firefox-0:128.8.0-1.el9_0 | 2025-03-10 | redhat |
| redhat | firefox-0:128.8.0-1.el9_2 | 2025-03-10 | redhat |
| redhat | firefox-0:128.8.0-1.el9_4 | 2025-03-10 | redhat |
| redhat | firefox-0:128.8.0-1.el8_6 | 2025-03-10 | redhat |
| redhat | firefox-0:128.8.0-1.el8_4 | 2025-03-10 | redhat |
| redhat | firefox-0:128.8.0-1.el8_10 | 2025-03-06 | redhat |
| redhat | firefox-0:128.8.0-1.el9_5 | 2025-03-05 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
RHSA-2025:2359 — Low
RHSA-2025:2452 — Low
RHSA-2025:2479 — Low
RHSA-2025:2480 — Low
RHSA-2025:2481 — Low
RHSA-2025:2484 — Low
RHSA-2025:2485 — Low
RHSA-2025:2486 — Low
RHSA-2025:2699 — Low
RHSA-2025:2708 — Low
Firefox vulnerabilities
Thunderbird vulnerabilities
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Explore the affected products and dependency analysis for CVE-2025-1935
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