| Name | CVE-2022-31796 |
| Description | libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libjpeg (PTS) | bullseye | 0.0~git20210129.91985dc-1 | vulnerable |
| sid, trixie, bookworm | 0.0~git20220805.54ec643-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libjpeg | source | (unstable) | 0.0~git20220615.842c7ba-1 | unimportant | | |
Notes
https://github.com/thorfdbg/libjpeg/issues/71
https://github.com/thorfdbg/libjpeg/commit/187035b9726710b4fe11d565c7808975c930895d
Crash in CLI tool, no security impact