| Name | CVE-2016-3621 |
| Description | The LZWEncode function in tif_lzw.c in the bmp2tiff tool in LibTIFF 4.0.6 and earlier, when the "-c lzw" option is used, allows remote attackers to cause a denial of service (buffer over-read) via a crafted BMP image. |
| 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-693-1 |
| Debian Bugs | 820364 |
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 | wheezy | 4.0.2-6+deb7u7 | | DLA-693-1 | |
| tiff | source | jessie | 4.0.3-12.3+deb8u2 | | | |
| tiff | source | (unstable) | 4.0.6-3 | low | | 820364 |
| tiff3 | source | (unstable) | (not affected) | | | |
Notes
- tiff3 <not-affected> (tiff tools not built)
http://bugzilla.maptools.org/show_bug.cgi?id=2565
https://www.openwall.com/lists/oss-security/2016/04/07/3
Utility bmp2tiff has been removed from upstream LibTIFF
bmp2tiff was removed in 4.0.6-3 and DSA 3762, marking as fixed although technically still present in the source package