Medium severity5.3NVD Advisory· Published Feb 4, 2025· Updated Apr 13, 2026

CVE-2025-1018

Description

The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. This could have been leveraged to perform a potential spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mozilla Corporation/Firefox
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Range: <135.0
Mozilla Corporation/Thunderbird
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
Range: >=131.0,<135.0
osv-coords3 versions
pkg:apk/chainguard/firefox pkg:apk/wolfi/firefox pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed
< 135.0-r0+ 2 more
- (no CPE)range: < 135.0-r0
- (no CPE)range: < 135.0-r0
- (no CPE)range: < 135.0-1.1

Patches

Vulnerability mechanics

References

www.mozilla.org/security/advisories/mfsa2025-07/nvdVendor Advisory
www.mozilla.org/security/advisories/mfsa2025-11/nvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdPermissions Required

News mentions

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cvss	0.345
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