SB2019010845 - Improper input validation in cairo (Alpine package)
Published: January 8, 2019
Security Bulletin ID
SB2019010845
Severity
Low
Patch available
YES
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) Improper input validation (CVE-ID: CVE-2018-19876)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in the cairo_ft_apply_variations() function, as defined in the cairo-ft-font.c source code file due to an error when processing malicious input. A remote attacker can attempt to free memory by using a free function that is incompatible with WebKit's fastMalloc and cause the application to crash, resulting in a DoS condition.
Remediation
Install update from vendor's website.