| Name | CVE-2024-43767 |
| Description | In prepare_to_draw_into_mask of SkBlurMaskFilterImpl.cpp, there is a possible heap overflow due to improper input validation. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6534-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libskia (PTS) | forky, sid | 146.20260602~git.3476902+dfsg-5 | fixed |
| webkit2gtk (PTS) | bookworm | 2.50.6-1~deb12u2 | vulnerable |
| bookworm (security) | 2.50.6-1~deb12u1 | vulnerable |
| trixie | 2.52.6-1~deb13u1 | vulnerable |
| trixie (security) | 2.54.0-1~deb13u2 | fixed |
| forky | 2.52.6-1 | vulnerable |
| sid | 2.54.1-1 | fixed |
| wpewebkit (PTS) | bookworm | 2.38.6-1 | vulnerable |
| trixie | 2.48.3-1 | vulnerable |
| forky, sid | 2.54.1-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
- libskia <not-affected> (Fixed before initial upload to the archive)
[bookworm] - webkit2gtk <end-of-life> (see DSA-6232-1)
[bullseye] - webkit2gtk <end-of-life> (EOL in bullseye)
[trixie] - wpewebkit <ignored> (wpewebkit not covered by security support in Trixie)
[bookworm] - wpewebkit <ignored> (wpewebkit not covered by security support in Bookworm)
[bullseye] - wpewebkit <end-of-life> (see #1035997)
https://android.googlesource.com/platform/external/skia/+/796c2040f641bb287dba66c9823ce45e9f8b5807
Firefox/Thunderbird embeds a copy of Skia, but the code isn't used/reachable as
confirmed by the Mozilla security team
https://webkitgtk.org/security/WSA-2026-0006.html