SB2021082039 - Denial of service in Exiv2
Published: August 20, 2021 Updated: March 29, 2025
Security Bulletin ID
SB2021082039
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Uncontrolled Recursion (CVE-ID: CVE-2020-18898)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite recursion within the Exiv2::Image::printIFDStructure() function in image.cpp. A remote attacker can consume all available system resources and cause denial of service conditions.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.