SB2025091903 - Ubuntu update for imagemagick

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Integer overflow (CVE-ID: CVE-2025-55154)

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

The vulnerability exists due to integer overflow in MNG magnification. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

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

2) Division by zero (CVE-ID: CVE-2025-55212)

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

The vulnerability exists due to the divide-by-zero issue in ThumbnailImage via montage -geometry. A remote attacker can pass specially crafted input to the application and cause a denial of service condition on the target system.

3) Reliance on undefined behavior (CVE-ID: CVE-2025-55160)

The vulnerability allows a local attacker to compromise the affected system.

The vulnerability exists due to undefined behavior in CloneSplayTree via MagickCoalesceImages. A local attacker can perform a denial of service (DoS) attack.

4) Out-of-bounds write (CVE-ID: CVE-2025-57807)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the WriteBlobStream() function in MagickCore/blob.c. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://ubuntu.com/security/notices/USN-7756-1