Description
An out-of-memory flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFRasterScanlineSize64() API. This flaw allows a remote attacker to cause a denial of service via a crafted input with a size smaller than 379 KB.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libtiff | < 4.6.0 | 4.6.0 |
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | — | — |
| Red Hat | Red Hat AI Inference Server 3.2 | — | — |
| Red Hat | Red Hat Discovery 2 | — | — |
| Red Hat | Red Hat OpenShift AI 3.0 | — | — |
| Red Hat | Red Hat OpenShift AI 3.2 | — | — |
| Red Hat | Red Hat OpenShift AI 3.4 | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
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 | 4.5.1+git230720-4 | — |
| Debian 13 | tiff | 4.5.1+git230720-4 | — |
| Debian 12 | tiff | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | tiff +3 | No fix yet | — |
| Ubuntu 20.04 LTS | neuron | No fix yet | — |
| Ubuntu 18.04 LTS | neuron | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | tiff +2 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | tiff +2 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | gdal +1 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | gdal +1 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | libtiff +2 | 4.6.0-8.el10_2.4 | RHSA-2026:41892 |
| RHEL 9 | libtiff +2 | 4.4.0-15.el9 | RHSA-2025:20801 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | libtiff +2 | 4.6.0-6.el10_0.4 | RHSA-2026:49671 |
| RHEL 9.6 EUS | libtiff +2 | 4.4.0-13.el9_6.5 | RHSA-2026:43537 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | libtiff +2 | 4.6.0-8.el10_2.4 | ALSA-2026:41892 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | libtiff | 4.6.0-8.el10_2.4 | RLSA-2026:41892 |
| Rocky Linux 9 | libtiff | 4.4.0-15.el9_7.2.0.1 | RLSA-2025:20801 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | libtiff +2 | 4.6.0-8.el10_2.4 | ELSA-2026-41892 |
| Oracle Linux 9 | libtiff +2 | 4.4.0-15.el9 | ELSA-2025-20801 |
Advisories 11
- ALSA-2026:41892 Important: libtiff security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2026:49671 Red Hat Security Advisory: libtiff security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- RHSA-2026:41892 Red Hat Security Advisory: libtiff security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- RHSA-2026:43537 Red Hat Security Advisory: libtiff security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2025:20801 Red Hat Security Advisory: libtiff security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- WID-SEC-2024-0219 libTIFF: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Aug 3, 2026
- RLSA-2026:41892 Important: libtiff security, bug fix, and enhancement update Rocky Linux Security Advisories · Jul 22, 2026
- ELSA-2026-41892 Important: libtiff security, bug fix, and enhancement update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 20, 2026
- RLSA-2025:20801 Moderate: libtiff security update Rocky Linux Security Advisories · May 21, 2026
- ELSA-2025-20801 Moderate: libtiff security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 17, 2025
- WID-SEC-2024-1248 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 21, 2024
References
- RHSA-2025:20801 vendor-advisory
- RHSA-2025:21994 vendor-advisory
- RHSA-2025:23078 vendor-advisory
- RHSA-2025:23079 vendor-advisory
- RHSA-2025:23080 vendor-advisory
- RHSA-2026:3461 vendor-advisory
- RHSA-2026:3462 vendor-advisory
- RHSA-2026:41892 vendor-advisory
- RHSA-2026:43537 vendor-advisory
- RHSA-2026:49671 vendor-advisory
- RHSA-2026:73909 vendor-advisory
- RHSA-2026:73959 vendor-advisory
- RHSA-2026:73960 vendor-advisory
- RHSA-2026:73961 vendor-advisory
- RHSA-2026:73962 vendor-advisory
- RHSA-2026:74458 vendor-advisory
- RHSA-2026:74459 vendor-advisory
- RHSA-2026:74460 vendor-advisory
- RHSA-2026:74461 vendor-advisory
- RHSA-2026:74462 vendor-advisory
- RHSA-2026:74463 vendor-advisory
- RHSA-2026:74674 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-52355 vdb-entry
- RHBZ#2251326 issue-tracking
- https://gitlab.com/libtiff/libtiff/-/issues/621