| Name | CVE-2020-19143 |
| Description | Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'. |
| 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-4997-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| tiff (PTS) | buster | 4.1.0+git191117-2~deb10u4 | fixed |
| buster (security) | 4.1.0+git191117-2~deb10u9 | fixed |
| bullseye (security), bullseye | 4.2.0-1+deb11u5 | fixed |
| bookworm, bookworm (security) | 4.5.0-6+deb12u1 | fixed |
| sid, trixie | 4.5.1+git230720-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| tiff | source | stretch | (not affected) | | | |
| tiff | source | buster | 4.1.0+git191117-2~deb10u3 | | DSA-4997-1 | |
| tiff | source | (unstable) | 4.1.0+git201212-1 | | | |
Notes
[stretch] - tiff <not-affected> (Vulnerable code introduced later)
http://bugzilla.maptools.org/show_bug.cgi?id=2851
https://gitlab.com/libtiff/libtiff/-/issues/158
Introduced with: https://gitlab.com/libtiff/libtiff/-/commit/9eacd59fecc4ef593ac17689bc530ab451c8ec14 (v4.0.10)
Fixed by: https://gitlab.com/libtiff/libtiff/-/commit/54ce8c522078cd0f39861df71db848648ec28ade (v4.2.0)