Description
The LZW decompressor in the gif2tiff tool in libtiff 4.0.3 and earlier allows context-dependent attackers to cause a denial of service (out-of-bounds write and crash) or possibly execute arbitrary code via a crafted GIF image.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | tiff | 4.0.3-3 | — |
| Debian 13 | tiff | 4.0.3-3 | — |
| Debian 12 | tiff | 4.0.3-3 | — |
| Debian 7 | tiff | 4.0.2-6+deb7u2 | DSA-2744-1 |
| Debian 6.0 | tiff | 3.9.4-5+squeeze10 | DSA-2744-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | tiff | 4.0.3-7ubuntu0.1 | USN-2205-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | libtiff +2 | 3.9.4-10.el6_5 | RHSA-2014:0222 |
| RHEL 5 | libtiff +1 | 3.8.2-19.el5_10 | RHSA-2014:0223 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tiff | 4.0.7-1.1 | openSUSE-SU-2024:10554-1 |
Advisories 5
- RHSA-2014:0223 Red Hat Security Advisory: libtiff security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2014:0222 Red Hat Security Advisory: libtiff security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-2205-1 tiff vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-2744-1 tiff - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10554-1 libtiff-devel-32bit-4.0.7-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026