CVE-2025-43265

NameCVE-2025-43265
DescriptionAn out-of-bounds read was addressed with improved input validation. This issue is fixed in Safari 18.6, watchOS 11.6, visionOS 2.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6. Processing maliciously crafted web content may disclose internal states of the app.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-4276-1, DSA-5978-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)bullseye2.44.2-1~deb11u1vulnerable
bullseye (security)2.48.5-1~deb11u1fixed
bookworm, bookworm (security)2.48.5-1~deb12u1fixed
trixie (security), trixie2.48.5-1~deb13u1fixed
forky, sid2.48.6-1fixed
wpewebkit (PTS)bullseye (security), bullseye2.38.6-1~deb11u1vulnerable
bookworm2.38.6-1vulnerable
trixie2.48.3-1vulnerable
forky, sid2.48.6-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcebullseye2.48.5-1~deb11u1DLA-4276-1
webkit2gtksourcebookworm2.48.5-1~deb12u1DSA-5978-1
webkit2gtksourcetrixie2.48.5-1~deb13u1DSA-5978-1
webkit2gtksource(unstable)2.48.5-1
wpewebkitsource(unstable)2.48.5-1

Notes

[trixie] - wpewebkit <ignored> (wpewebkit not covered by security support in trixie)
[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-2025-0005.html

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