SB2026012712 - Debian update for imagemagick
Published: January 27, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Stack-based buffer overflow (CVE-ID: CVE-2026-23874)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within infinite recursion in ProcessMSLScript. A local user can trigger stack-based buffer overflow and cause a denial of service condition on the target system.
2) Heap-based buffer overflow (CVE-ID: CVE-2026-23876)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the XBM image decoder. A remote attacker can pass specially crafted data 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.
3) NULL pointer dereference (CVE-ID: CVE-2026-23952)
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 MSL parser within "comment" tag before image load. A remote user can pass specially crafted data to the application and perform a denial of service (DoS) attack.
4) Release of invalid pointer or reference (CVE-ID: CVE-2026-22770)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to invalid pointer in the BilateralBlurImage method. A remote attacker can cause a denial of service condition in the target system.
Remediation
Install update from vendor's website.