SB2026041049 - Anolis OS update for nginx
Published: April 10, 2026
Security Bulletin ID
SB2026041049
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) Integer overflow (CVE-ID: CVE-2026-27784)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: 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/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in the ngx_http_mp4_module module. A remote attacker can supply specially crafted MP4 data to the server, trigger an integer overflow and execute arbitrary code on the target system.
Note, the vulnerability affects only 32-bit NGINX Open Source deployments.
Remediation
Install update from vendor's website.