SB20250919168 - Ubuntu update for openjpeg2



SB20250919168 - Ubuntu update for openjpeg2

Published: September 19, 2025

Security Bulletin ID SB20250919168
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2025-50952)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in openjp2/dwt.c. A remote attacker can pass a specially crafted image to the application and perform a denial of service (DoS) attack.


2) Heap-based buffer overflow (CVE-ID: CVE-2025-54874)

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

The vulnerability exists due to a boundary error within the opj_jp2_read_header() function in src/lib/openjp2/jp2.c. A remote attacker can pass specially crafted image to the application, trigger a heap-based buffer overflow 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.