| Name | CVE-2016-9448 | 
| Description | The TIFFFetchNormalTag function in LibTiff 4.0.6 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by setting the tags TIFF_SETGET_C16ASCII or TIFF_SETGET_C32_ASCII to values that access 0-byte arrays.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9297. | 
| 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) | 
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 | (unstable) | (not affected) |  |  |  | 
Notes
- tiff <not-affected> (Vulnerable code introduced by fix for CVE-2016-9297)
http://bugzilla.maptools.org/show_bug.cgi?id=2593
Regression introduced by previous fix done on 2016-11-11 for CVE-2016-9297