CVE-2024-40780

Name	CVE-2024-40780
Description	An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9, Safari 17.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma 14.6. Processing maliciously crafted web content may lead to an unexpected process crash.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3864-1, DSA-5762-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
webkit2gtk (PTS)	jessie	2.6.2+dfsg1-4	vulnerable
	stretch	2.18.6-1~deb9u1	vulnerable
	buster (security), buster, buster (lts)	2.38.6-0+deb10u1	vulnerable
	bullseye	2.44.2-1~deb11u1	vulnerable
	bullseye (security)	2.46.3-1~deb11u2	fixed
	bookworm	2.46.0-2~deb12u1	fixed
	bookworm (security)	2.46.3-1~deb12u1	fixed
	sid, trixie	2.46.3-1	fixed
wpewebkit (PTS)	bullseye (security), bullseye	2.38.6-1~deb11u1	vulnerable
	bookworm	2.38.6-1	vulnerable
	sid, trixie	2.46.3-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
webkit2gtk	source	jessie	(unfixed)	end-of-life
webkit2gtk	source	stretch	(unfixed)	end-of-life
webkit2gtk	source	buster	(unfixed)	end-of-life
webkit2gtk	source	bullseye	2.44.3-1~deb11u1		DLA-3864-1
webkit2gtk	source	bookworm	2.44.3-1~deb12u1		DSA-5762-1
webkit2gtk	source	(unstable)	2.44.3-1
wpewebkit	source	(unstable)	2.44.3-1

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-2024-0004.html