SB2026092169 - Anolis OS update for mod_http2
Published: September 21, 2026
Security Bulletin ID
SB2026092169
CSH 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 vulnerability.
1) Use-after-free (CVE-ID: CVE-2026-48913)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to use-after-free in mod_http2 when file handles are already exhausted. A remote attacker can trigger request processing under file descriptor exhaustion conditions to execute arbitrary code.
Exploitation requires the server to have exhausted file handles.
Remediation
Install update from vendor's website.