| Name | CVE-2016-3186 | 
| Description | Buffer overflow in the readextension function in gif2tiff.c in LibTIFF 4.0.6 allows remote attackers to cause a denial of service (application crash) via a crafted GIF file. | 
| 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 | DLA-610-1, DLA-693-1 | 
| Debian Bugs | 819972 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| tiff (PTS) | bullseye | 4.2.0-1+deb11u5 | fixed | 
|  | bullseye (security) | 4.2.0-1+deb11u7 | fixed | 
|  | bookworm | 4.5.0-6+deb12u2 | fixed | 
|  | bookworm (security) | 4.5.0-6+deb12u3 | fixed | 
|  | trixie | 4.7.0-3 | fixed | 
|  | trixie (security) | 4.7.0-3+deb13u1 | fixed | 
|  | forky, sid | 4.7.1-1 | 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 |  |  | 819972 | 
| tiff3 | source | wheezy | 3.9.6-11+deb7u1 |  | DLA-610-1 |  | 
| tiff3 | source | (unstable) | (unfixed) | unimportant |  |  | 
Notes
https://bugzilla.redhat.com/show_bug.cgi?id=1319666
https://bugzilla.redhat.com/show_bug.cgi?id=1319503
http://bugzilla.maptools.org/show_bug.cgi?id=2536
Proposed patch from Red Hat: https://bugzilla.redhat.com/attachment.cgi?id=1144235&action=diff
gif2tiff was removed in 4.0.6-3 and DSA 3762, marking as fixed although technically still present in the source package