Description
A vulnerability classified as problematic was found in libtiff 4.6.0. This vulnerability affects the function PS_Lvl2page of the file tools/tiff2ps.c of the component tiff2ps. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The name of the patch is 6ba36f159fd396ad11bf6b7874554197736ecc8b. It is recommended to apply a patch to fix this issue. One of the maintainers explains, that "[t]his error only occurs if DEFER_STRILE_LOAD (defer-strile-load:BOOL=ON) or TIFFOpen( .. "rD") option is used."
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libtiff | 4.6.0 | — |
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 | 4.7.1-1 | — |
| Debian 13 | tiff | No fix yet | — |
| Debian 12 | tiff | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | texmaker +1 | No fix yet | — |
| Ubuntu 26.04 LTS | texmaker | No fix yet | — |
| Ubuntu 25.10 | texmaker +1 | No fix yet | — |
| Ubuntu 25.10 | tiff | 4.7.0-3ubuntu2 | — |
| Ubuntu 24.04 LTS | tiff | 4.5.1+git230720-4ubuntu2.3 | USN-7707-1 |
| Ubuntu 22.04 LTS | neuron | No fix yet | — |
| Ubuntu 22.04 LTS | tiff | 4.3.0-6ubuntu0.11 | USN-7707-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | neuron | No fix yet | — |
| Ubuntu 18.04 LTS | neuron | No fix yet | — |
| Ubuntu 16.04 LTS | texmaker | No fix yet | — |
| 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 20.04 LTS | tiff | 4.1.0+git191117-2ubuntu0.20.04.14+esm1 | USN-7707-1 |
| Ubuntu Pro 18.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | tiff | 4.0.9-5ubuntu0.10+esm8 | USN-7707-1 |
| Ubuntu Pro 16.04 LTS | gdal | No fix yet | — |
| Ubuntu Pro 16.04 LTS | tiff | 4.0.6-1ubuntu0.8+esm18 | USN-7707-1 |
| Ubuntu Pro 14.04 LTS | gdal | No fix yet | — |
| Ubuntu Pro 14.04 LTS | tiff | 4.0.3-7ubuntu0.11+esm15 | USN-7707-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | tiff | 4.0.9-150000.45.55.1 | SUSE-SU-2025:03348-1, SUSE-SU-2025:03345-1 |
| SLES 15 SP6 | tiff | 4.0.9-150000.45.55.1 | SUSE-SU-2025:03348-1, SUSE-SU-2025:03345-1 |
| SLES 12 SP5 | tiff | 4.0.9-44.94.1 | SUSE-SU-2025:03346-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | tiff | 4.7.1-160000.1.1 | SUSE-SU-2025:21009-1 |
| SLES 16.0 | tiff | 4.7.1-160000.1.1 | SUSE-SU-2025:21009-1 |
| SLE Micro 6.2 | tiff | 4.7.1-160000.1.1 | SUSE-SU-2025:21032-1 |
| SLE Micro 6.1 | tiff | 4.7.1-slfo.1.1_1.1 | SUSE-SU-2025:20971-1 |
| SLE Micro 6.0 | tiff | 4.7.1-1.1 | SUSE-SU-2025:21037-1 |
| SLE Micro 5.5 | tiff | 4.0.9-150000.45.55.1 | SUSE-SU-2025:03345-1 |
| SLE Micro 5.4 | tiff | 4.0.9-150000.45.55.1 | SUSE-SU-2025:03345-1 |
| SLE Micro 5.3 | tiff | 4.0.9-150000.45.55.1 | SUSE-SU-2025:03345-1 |
| SLE Micro 5.2 | tiff | 4.0.9-150000.45.55.1 | SUSE-SU-2025:03345-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tiff | 4.7.0-8.1 | openSUSE-SU-2025:15486-1 |
| openSUSE Leap 16.0 | tiff +1 | 4.7.1-160000.1.1 | openSUSE-SU-2025:20049-1 |
| openSUSE Leap 15.6 | tiff | 4.7.0-150600.3.18.1 | SUSE-SU-2025:03348-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libtiff | 4.6.0-7 | — |
| Azure Linux 2 (CBL-Mariner) | libtiff | 4.6.0-8 | — |
Advisories 13
- WID-SEC-2026-0349 Dell Avamar und NetWorker: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 17, 2026
- WID-SEC-2026-1730 Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Jul 16, 2026
- USN-7707-1 tiff vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- openSUSE-SU-2025:20049-1 Security update for tiff SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15486-1 libtiff-devel-32bit-4.7.0-8.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21009-1 Security update for tiff SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20971-1 Security update for tiff SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21037-1 Security update for tiff SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:03346-1 Security update for tiff SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:03345-1 Security update for tiff SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:03348-1 Security update for tiff SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21032-1 Security update for tiff SUSE / openSUSE Security Updates · Mar 23, 2026
- WID-SEC-2025-1717 libTIFF (tiff2ps): Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Nov 27, 2025
References
- VDB-318664 | libtiff tiff2ps tiff2ps.c PS_Lvl2page null pointer dereference vdb-entry technical-description
- VDB-318664 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #617831 | libtiff tiff2ps 4.6.0 && the newest master SEGV third-party-advisory
- https://gitlab.com/libtiff/libtiff/-/issues/718 issue-tracking
- https://gitlab.com/libtiff/libtiff/-/merge_requests/746 patch
- https://drive.google.com/file/d/15JPA3kLYiYD-nRNJ8y8HmnYjhv9NE7k6/view?usp=drive_link exploit
- https://gitlab.com/libtiff/libtiff/-/commit/6ba36f159fd396ad11bf6b7874554197736ecc8b patch
- http://www.libtiff.org/ product