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Nginx CVE-2026-32647

| EUVD-2026-14897 HIGH
Out-of-bounds Read (CWE-125)
2026-03-24 f5
RCE Buffer Overflow Information Disclosure Nginx Red Hat Suse
8.5
CVSS 4.0
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CVSS VectorNVD

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

6
Analysis Updated
Apr 16, 2026 - 06:18 EUVD-patch-fix
executive_summary
Re-analysis Queued
Apr 16, 2026 - 05:29 backfill_euvd_patch
patch_released
Patch available
Apr 16, 2026 - 05:29 EUVD
1.28.3,1.29.7
EUVD ID Assigned
Mar 24, 2026 - 14:45 euvd
EUVD-2026-14897
Analysis Generated
Mar 24, 2026 - 14:45 vuln.today
CVE Published
Mar 24, 2026 - 14:13 nvd
HIGH 8.5

DescriptionNVD

NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_mp4_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 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.

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

AnalysisAI

NGINX Open Source and NGINX Plus contain a buffer over-read or over-write vulnerability in the ngx_http_mp4_module that can lead to NGINX worker process termination or potentially remote code execution. An attacker with local access and the ability to supply a specially crafted MP4 file for processing can exploit this flaw when the mp4 directive is enabled in the configuration. …

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RemediationAI

Within 24 hours: identify all NGINX instances with mp4 directive enabled via configuration audit (grep -r 'mp4' /etc/nginx/). Within 7 days: obtain and deploy vendor-released patch to all affected NGINX Open Source and NGINX Plus instances; validate patch installation and restart services. …

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CVE-2026-32647 vulnerability details – vuln.today
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