Medium [CVE-2025-61143] Denial of Service via NULL pointer dereference in tif_open.c
This medium-severity Red Hat Linux advisory covers CVE-2025-61143 affecting libtiff-main, Red Hat Enterprise Linux.
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Summary
Denial of Service via NULL pointer dereference in tif_open.c. Red Hat rates this moderate (CVSS 5.5).
Weakness: CWE-476. Affected package(s): libtiff-main.
Resolved in Red Hat advisory RHSA-2026:7504 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux.
- libtiff-main-4.7.1-2.1.hum1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:7504
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:7504 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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