Division by zero in libvips - CVE-2021-27847

Vulnerability identifier: #VU82308

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-27847

CWE-ID: CWE-369

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due ti a division by zero error within the vips_eye_point() function in eye.c. A remote attacker can pass specially crafted input to the affected application and perform a denial of service (DoS) attack.

libvips
Ubuntu
gir1.2-vips-8.0 (Ubuntu package)
libvips-tools (Ubuntu package)
libvips42 (Ubuntu package)
python-vipscc (Ubuntu package)

Install updates from vendor's website.

libvips - update to 8.10.6
gir1.2-vips-8.0 (Ubuntu package) - update to Ubuntu Pro
libvips-tools (Ubuntu package) - update to Ubuntu Pro
libvips42 (Ubuntu package) - update to Ubuntu Pro
python-vipscc (Ubuntu package) - update to Ubuntu Pro

• https://github.com/libvips/libvips/issues/1236

• Denial of service in Libvips
• Ubuntu update for vips