Description
The cvtClump function in the rgb2ycbcr tool in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (out-of-bounds write) by setting the "-v" option to -1.
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 | 4.0.6-3 | — |
| Debian 13 | tiff | 4.0.6-3 | — |
| Debian 12 | tiff | 4.0.6-3 | — |
| Debian 8 | tiff | 4.0.3-12.3+deb8u2 | DSA-3762-1 |
| Debian 7 | tiff | 4.0.2-6+deb7u9 | DLA-795-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | tiff | 4.0.6-1ubuntu0.1 | USN-3212-1 |
| Ubuntu 14.04 LTS | tiff | 4.0.3-7ubuntu0.6 | USN-3212-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.4 | tiff | 4.0.7-r0 | — |
| Alpine v3.3 | tiff | 4.0.7-r0 | — |
| Alpine v3.2 | tiff | 4.0.7-r0 | — |
Advisories 3
- USN-3212-1 tiff vulnerabilities Ubuntu Security Notices (USN) · Jun 1, 2026
- DLA-795-1 tiff - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3762-1 tiff - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- [oss-security] 20160408 CVE-2016-3624 libtiff: Out-of-bounds Write in the rgb2ycbcr tool mailing-list
- GLSA-201701-16 vendor-advisory
- 85956 vdb-entry
- http://bugzilla.maptools.org/show_bug.cgi?id=2568
- DSA-3762 vendor-advisory