CVE-2026-32647 — Out-of-bounds Read in F5 Nginx Open Source

CWE-125 — Out-of-bounds Read11 documents10 sources
Severity
8.5HIGHNVD
EPSS
0.0%
top 97.96%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
F5 NginxF5 Nginx Open SourceF5 Nginx Plus
Timeline
PublishedMar 24

Description

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 …

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Packages6 packages

▶CVEListV5f5/nginx_open_source1.29.0 — 1.29.7+1
▶NVDf5/nginx_open_source1.1.19 — 1.28.3+1
▶CVEListV5f5/nginx_plusR36 — R36 P3+4
▶NVDf5/nginx_plus5 versions+4
▶Alpinef5/nginx< 1.28.3-r0+1

🔴Vulnerability Details

4
OSV
CVE-2026-32647: 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 o↗2026-03-24
▶
CVEList
NGINX ngx_http_mp4_module vulnerability↗2026-03-24
▶
GHSA
GHSA-6364-x4qj-7w59: 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 o↗2026-03-24
▶
OSV
CVE-2026-32647: 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 o↗2026-03-24
▶

📋Vendor Advisories

4
Red Hat
nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files↗2026-03-24
▶
F5
CVE-2026-32647: NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_mp4_module module, which might allow an attacke...↗2026-03-24
▶
Microsoft
NGINX ngx_http_mp4_module vulnerability↗2026-03-10
▶
Debian
CVE-2026-32647: nginx - NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_mp4_module...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-32647 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶

💬Community

1
Bugzilla
CVE-2026-32647 nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files↗2026-03-20
▶
CVE-2026-32647 — Out-of-bounds Read in F5 | cvebase