SB2022052521 - Use-after-free in lrzip
Published: May 25, 2022
Security Bulletin ID
SB2022052521
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) Use-after-free (CVE-ID: CVE-2022-26291)
The vulnerability allows a remote attacker to perform a Denial of Service attack.
The vulnerability exists due to multiple concurrency use-after-free between zpaq_decompress_buf() and clear_rulist() functions when processing a crafted Irz file. A remote attacker can trick the victim to open a specially crafted Irz file and cause a Denial of Service (DoS).
Remediation
Install update from vendor's website.