SB2017051285 - Fedora 25 update for chicken
Published: May 12, 2017 Updated: April 24, 2025
Security Bulletin ID
SB2017051285
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2017-6949)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
An issue was discovered in CHICKEN Scheme through 4.12.0. When using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory, the vector size would be used in unsanitised form as an argument to malloc(). With an unexpected size, the impact may have been a segfault or buffer overflow.
Remediation
Install update from vendor's website.