SB20230818195 - Deniall of service in libyang
Published: August 18, 2023
Security Bulletin ID
SB20230818195
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) NULL pointer dereference (CVE-ID: CVE-2023-26916)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the lys_parse_mem() function in lys_parse_mem.c. A remote attacker can perform a denial of service attack.
Remediation
Install update from vendor's website.
References
- https://github.com/CESNET/libyang/issues/1979
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6NQZHCJG3SBMFOQNIPRZGKDK3ARHLTTB/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U2VWGCMYKQH4BTFEHX5VYEXXOPIKKFHS/