SB2021072270 - Red Hat Enterprise Linux 7.4 update for glibc
Published: July 22, 2021
Security Bulletin ID
SB2021072270
Severity
Medium
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) Out-of-bounds write (CVE-ID: CVE-2020-29573)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary within the sysdeps/i386/ldbl2mpn.c in the GNU C Library on x86 systems. A remote attacker can pass specially crafted data to the application that uses the vulnerable version of glibc and crash it.
Remediation
Install update from vendor's website.