CVE-2026-32647
NGINX vulnerability analysis and mitigation

NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_mp4_module module, which might allow an attacker to trigger a buffer over-read or over-write to the NGINX worker memory resulting in its termination or possibly code execution, using a specially crafted MP4 file. This issue affects NGINX Open Source and NGINX Plus if it is built with the ngx_http_mp4_module module and the mp4 directive is used in the configuration file. Additionally, the attack is possible only if an attacker can trigger the processing of a specially crafted MP4 file with the ngx_http_mp4_module module.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.


SourceNVD

Related NGINX vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-27654HIGH8.8
  • NGINXNGINX
  • nginx
NoYesMar 24, 2026
CVE-2026-32647HIGH8.5
  • NGINXNGINX
  • nginx-1.29
NoYesMar 24, 2026
CVE-2026-27784HIGH8.5
  • NGINXNGINX
  • nginx-core
NoYesMar 24, 2026
CVE-2026-28753MEDIUM6.3
  • NGINXNGINX
  • nginx-mod-http-perl
NoYesMar 24, 2026
CVE-2026-28755MEDIUM5.3
  • NGINXNGINX
  • nginx-all-modules
NoYesMar 24, 2026

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