SB2015100306 - Fedora 23 update for opensmtpd
Published: October 3, 2015 Updated: April 24, 2025
Security Bulletin ID
SB2015100306
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) Use-after-free (CVE-ID: CVE-2015-7687)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta. A remote attackers can cause a denial of service (crash) or execute arbitrary code.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Install update from vendor's website.