Description
An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.
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 | 4.0.10-4 | — |
| Debian 13 | tiff | 4.0.10-4 | — |
| Debian 12 | tiff | 4.0.10-4 | — |
| Debian 9 | tiff | 4.0.8-2+deb9u5 | DSA-4670-1 |
| Debian 8 | tiff | 4.0.3-12.3+deb8u8 | DLA-1680-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | texmaker +2 | No fix yet | — |
| Ubuntu 26.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu 25.10 | texmaker +2 | No fix yet | — |
| Ubuntu 24.04 LTS | qtimageformats-opensource-src | No fix yet | — |
| Ubuntu 22.04 LTS | qtimageformats-opensource-src | No fix yet | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | qtimageformats-opensource-src | No fix yet | — |
| Ubuntu 18.04 LTS | qtimageformats-opensource-src | No fix yet | — |
| Ubuntu 18.04 LTS | tiff | 4.0.9-5ubuntu0.2 | USN-3906-1 |
| Ubuntu 16.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu 16.04 LTS | tiff | 4.0.6-1ubuntu0.6 | USN-3906-1 |
| Ubuntu 14.04 LTS | tiff | 4.0.3-7ubuntu0.11 | USN-3906-1 |
| Ubuntu Pro 26.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 24.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 22.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | gdal | No fix yet | — |
| Ubuntu Pro 14.04 LTS | gdal | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | tiff | 4.0.9-5.27.5 | SUSE-SU-2019:0786-1 |
| SLES 12 SP5 | tiff | 4.0.9-44.42.1 | SUSE-SU-2019:3058-1 |
| SLES 12 SP4 | tiff | 4.0.9-44.42.1 | SUSE-SU-2019:3058-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | tiff | 4.0.9-44.42.1 | SUSE-SU-2019:3058-1 |
| SLES for SAP 12 SP4 | tiff | 4.0.9-44.42.1 | SUSE-SU-2019:3058-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tiff | 4.3.0-1.3 | openSUSE-SU-2024:11461-1 |
| openSUSE Leap 15.0 | tiff | 4.0.9-lp150.4.16.1 | openSUSE-SU-2019:1161-1 |
Advisories 7
- USN-3906-1 tiff vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4670-1 tiff - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1680-1 tiff - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2019:1161-1 Security update for tiff SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11461-1 libtiff-devel-32bit-4.3.0-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0786-1 Security update for tiff SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3058-1 Security update for tiff SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://bugzilla.maptools.org/show_bug.cgi?id=2833
- USN-3906-1 vendor-advisory
- [debian-lts-announce] 20190218 [SECURITY] [DLA 1680-1] tiff security update mailing-list
- USN-3906-2 vendor-advisory
- openSUSE-SU-2019:1161 vendor-advisory
- https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39
- GLSA-202003-25 vendor-advisory
- DSA-4670 vendor-advisory