| Name | CVE-2022-1623 |
| Description | LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit b4e79bfa. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-5333-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| tiff (PTS) | bullseye (security), bullseye | 4.2.0-1+deb11u5 | fixed |
| bookworm, bookworm (security) | 4.5.0-6+deb12u1 | fixed |
| sid, trixie | 4.5.1+git230720-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| tiff | source | buster | (not affected) | | | |
| tiff | source | bullseye | 4.2.0-1+deb11u3 | | DSA-5333-1 | |
| tiff | source | (unstable) | 4.4.0~rc1-1 | | | |
Notes
[buster] - tiff <not-affected> (Vulnerable code introduced later, PoCs don't trigger)
https://gitlab.com/libtiff/libtiff/-/commit/b4e79bfa0c7d2d08f6f1e7ec38143fc8cb11394a (v4.4.0rc1)
Introduced by: https://gitlab.com/libtiff/libtiff/-/commit/3079627ea0dee150e6a208cec8381de611bb842b (v4.4.0rc1)
https://gitlab.com/libtiff/libtiff/-/issues/410