Buffer overflow in Pillow - #VU52193
Published: April 13, 2021
Vulnerability identifier: #VU52193
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: N/A
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform denial of service attack.
The vulnerability exists due to a boundary error when processing TTF fonts in ImageFont.py. A remote attacker can create a specially crafted file to the application, trigger memory corruption and crash the application.
Affected software
Pillow
Remediation
Install updates from vendor's website.
Pillow - update to 8.2.0