SB2025111221 - Red Hat Enterprise Linux 9 update for libtiff 



SB2025111221 - Red Hat Enterprise Linux 9 update for libtiff

Published: November 12, 2025

Security Bulletin ID SB2025111221
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-8176)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the get_histogram() function in tools/tiffmedian.c. A remote attacker can pass a specially crafted image to the application and execute arbitrary code on the system.


2) Buffer overflow (CVE-ID: CVE-2025-9900)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing image files. A remote attacker can create a specially crafted image file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.