CVE-2025-43480

NameCVE-2025-43480
DescriptionThe issue was addressed with improved checks. This issue is fixed in tvOS 26.1, watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, visionOS 26.1. A malicious website may exfiltrate data cross-origin.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-5792-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)bullseye2.44.2-1~deb11u1vulnerable
bullseye (security)2.50.4-1~deb11u1fixed
bookworm2.48.5-1~deb12u1fixed
bookworm (security)2.50.4-1~deb12u1fixed
trixie2.50.1-1~deb13u1fixed
trixie (security)2.50.4-1~deb13u1fixed
forky, sid2.50.4-1fixed
wpewebkit (PTS)bullseye (security), bullseye2.38.6-1~deb11u1vulnerable
bookworm2.38.6-1vulnerable
trixie2.48.3-1fixed
forky, sid2.50.4-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcebookworm2.46.0-2~deb12u1DSA-5792-1
webkit2gtksource(unstable)2.46.0-1
wpewebkitsource(unstable)2.46.0-1

Notes

[bookworm] - wpewebkit <ignored> (wpewebkit not covered by security support in Bookworm)
[bullseye] - wpewebkit <ignored> (wpewebkit >= 2.40 can no longer be sensibly backported)
https://webkitgtk.org/security/WSA-2025-0008.html

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