Vulnerability Details 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 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 2.1%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-32647
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cpe:2.3:a:f5:nginx_open_source:1.1.19
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cpe:2.3:a:f5:nginx_open_source:1.11.0
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cpe:2.3:a:f5:nginx_open_source:1.11.1
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cpe:2.3:a:f5:nginx_open_source:1.11.10
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cpe:2.3:a:f5:nginx_open_source:1.11.11
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cpe:2.3:a:f5:nginx_open_source:1.11.12
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cpe:2.3:a:f5:nginx_open_source:1.11.13
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cpe:2.3:a:f5:nginx_open_source:1.11.2
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cpe:2.3:a:f5:nginx_open_source:1.11.3
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cpe:2.3:a:f5:nginx_open_source:1.11.4
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cpe:2.3:a:f5:nginx_open_source:1.11.5
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cpe:2.3:a:f5:nginx_open_source:1.11.6
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cpe:2.3:a:f5:nginx_open_source:1.11.7
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cpe:2.3:a:f5:nginx_open_source:1.11.8
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cpe:2.3:a:f5:nginx_open_source:1.11.9
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cpe:2.3:a:f5:nginx_open_source:1.13.0
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cpe:2.3:a:f5:nginx_open_source:1.13.1
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cpe:2.3:a:f5:nginx_open_source:1.13.10
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cpe:2.3:a:f5:nginx_open_source:1.13.11
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cpe:2.3:a:f5:nginx_open_source:1.13.12
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cpe:2.3:a:f5:nginx_open_source:1.13.2
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cpe:2.3:a:f5:nginx_open_source:1.13.3
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cpe:2.3:a:f5:nginx_open_source:1.13.4
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cpe:2.3:a:f5:nginx_open_source:1.13.5
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cpe:2.3:a:f5:nginx_open_source:1.13.6
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cpe:2.3:a:f5:nginx_open_source:1.13.7
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cpe:2.3:a:f5:nginx_open_source:1.13.8
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cpe:2.3:a:f5:nginx_open_source:1.13.9
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cpe:2.3:a:f5:nginx_open_source:1.15.0
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cpe:2.3:a:f5:nginx_open_source:1.15.1
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cpe:2.3:a:f5:nginx_open_source:1.15.10
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cpe:2.3:a:f5:nginx_open_source:1.15.11
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cpe:2.3:a:f5:nginx_open_source:1.15.12
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cpe:2.3:a:f5:nginx_open_source:1.15.2
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cpe:2.3:a:f5:nginx_open_source:1.15.3
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cpe:2.3:a:f5:nginx_open_source:1.15.4
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cpe:2.3:a:f5:nginx_open_source:1.15.5
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cpe:2.3:a:f5:nginx_open_source:1.15.6
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cpe:2.3:a:f5:nginx_open_source:1.15.7
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cpe:2.3:a:f5:nginx_open_source:1.15.8
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cpe:2.3:a:f5:nginx_open_source:1.15.9
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cpe:2.3:a:f5:nginx_open_source:1.17.0
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cpe:2.3:a:f5:nginx_open_source:1.17.1
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cpe:2.3:a:f5:nginx_open_source:1.17.10
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cpe:2.3:a:f5:nginx_open_source:1.17.2
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cpe:2.3:a:f5:nginx_open_source:1.17.3
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cpe:2.3:a:f5:nginx_open_source:1.17.4
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cpe:2.3:a:f5:nginx_open_source:1.17.5
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cpe:2.3:a:f5:nginx_open_source:1.17.6
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cpe:2.3:a:f5:nginx_open_source:1.17.7
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cpe:2.3:a:f5:nginx_open_source:1.17.8
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cpe:2.3:a:f5:nginx_open_source:1.17.9
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cpe:2.3:a:f5:nginx_open_source:1.19.0
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cpe:2.3:a:f5:nginx_open_source:1.19.1
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cpe:2.3:a:f5:nginx_open_source:1.19.10
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cpe:2.3:a:f5:nginx_open_source:1.19.2
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cpe:2.3:a:f5:nginx_open_source:1.19.3
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cpe:2.3:a:f5:nginx_open_source:1.19.4
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cpe:2.3:a:f5:nginx_open_source:1.19.5
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cpe:2.3:a:f5:nginx_open_source:1.19.6
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cpe:2.3:a:f5:nginx_open_source:1.19.7
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cpe:2.3:a:f5:nginx_open_source:1.19.8
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cpe:2.3:a:f5:nginx_open_source:1.19.9
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cpe:2.3:a:f5:nginx_open_source:1.2.0
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cpe:2.3:a:f5:nginx_open_source:1.21.0
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cpe:2.3:a:f5:nginx_open_source:1.21.1
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cpe:2.3:a:f5:nginx_open_source:1.21.2
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cpe:2.3:a:f5:nginx_open_source:1.21.3
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cpe:2.3:a:f5:nginx_open_source:1.21.4
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cpe:2.3:a:f5:nginx_open_source:1.21.5
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cpe:2.3:a:f5:nginx_open_source:1.21.6
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cpe:2.3:a:f5:nginx_open_source:1.23.0
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cpe:2.3:a:f5:nginx_open_source:1.23.1
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cpe:2.3:a:f5:nginx_open_source:1.23.2
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cpe:2.3:a:f5:nginx_open_source:1.23.3
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cpe:2.3:a:f5:nginx_open_source:1.23.4
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cpe:2.3:a:f5:nginx_open_source:1.25.0
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cpe:2.3:a:f5:nginx_open_source:1.25.1
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cpe:2.3:a:f5:nginx_open_source:1.25.2
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cpe:2.3:a:f5:nginx_open_source:1.25.3
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cpe:2.3:a:f5:nginx_open_source:1.25.4
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cpe:2.3:a:f5:nginx_open_source:1.25.5
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cpe:2.3:a:f5:nginx_open_source:1.26.1
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cpe:2.3:a:f5:nginx_open_source:1.26.2
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cpe:2.3:a:f5:nginx_open_source:1.27.0
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cpe:2.3:a:f5:nginx_open_source:1.27.1
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cpe:2.3:a:f5:nginx_open_source:1.27.2
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cpe:2.3:a:f5:nginx_open_source:1.27.3
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cpe:2.3:a:f5:nginx_open_source:1.27.4
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cpe:2.3:a:f5:nginx_open_source:1.27.5
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cpe:2.3:a:f5:nginx_open_source:1.28.2
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cpe:2.3:a:f5:nginx_open_source:1.29.0
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cpe:2.3:a:f5:nginx_open_source:1.29.1
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cpe:2.3:a:f5:nginx_open_source:1.29.2
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cpe:2.3:a:f5:nginx_open_source:1.29.3
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cpe:2.3:a:f5:nginx_open_source:1.29.4
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cpe:2.3:a:f5:nginx_open_source:1.29.5
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cpe:2.3:a:f5:nginx_open_source:1.29.6
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cpe:2.3:a:f5:nginx_open_source:1.3.0
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cpe:2.3:a:f5:nginx_open_source:1.3.1
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cpe:2.3:a:f5:nginx_open_source:1.3.10
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cpe:2.3:a:f5:nginx_open_source:1.3.11
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cpe:2.3:a:f5:nginx_open_source:1.3.12
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cpe:2.3:a:f5:nginx_open_source:1.3.13
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cpe:2.3:a:f5:nginx_open_source:1.3.14
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cpe:2.3:a:f5:nginx_open_source:1.3.15
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cpe:2.3:a:f5:nginx_open_source:1.3.16
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cpe:2.3:a:f5:nginx_open_source:1.3.2
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cpe:2.3:a:f5:nginx_open_source:1.3.3
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cpe:2.3:a:f5:nginx_open_source:1.3.4
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cpe:2.3:a:f5:nginx_open_source:1.3.5
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cpe:2.3:a:f5:nginx_open_source:1.3.6
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cpe:2.3:a:f5:nginx_open_source:1.3.7
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cpe:2.3:a:f5:nginx_open_source:1.3.8
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cpe:2.3:a:f5:nginx_open_source:1.3.9
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cpe:2.3:a:f5:nginx_open_source:1.4.0
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cpe:2.3:a:f5:nginx_open_source:1.5.0
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cpe:2.3:a:f5:nginx_open_source:1.5.1
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cpe:2.3:a:f5:nginx_open_source:1.5.10
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cpe:2.3:a:f5:nginx_open_source:1.5.11
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cpe:2.3:a:f5:nginx_open_source:1.5.12
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cpe:2.3:a:f5:nginx_open_source:1.5.13
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cpe:2.3:a:f5:nginx_open_source:1.5.2
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cpe:2.3:a:f5:nginx_open_source:1.5.3
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cpe:2.3:a:f5:nginx_open_source:1.5.4
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cpe:2.3:a:f5:nginx_open_source:1.5.5
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cpe:2.3:a:f5:nginx_open_source:1.5.6
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cpe:2.3:a:f5:nginx_open_source:1.5.7
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cpe:2.3:a:f5:nginx_open_source:1.5.8
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cpe:2.3:a:f5:nginx_open_source:1.5.9
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cpe:2.3:a:f5:nginx_open_source:1.7.0
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cpe:2.3:a:f5:nginx_open_source:1.7.1
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cpe:2.3:a:f5:nginx_open_source:1.7.10
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cpe:2.3:a:f5:nginx_open_source:1.7.11
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cpe:2.3:a:f5:nginx_open_source:1.7.12
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cpe:2.3:a:f5:nginx_open_source:1.7.2
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cpe:2.3:a:f5:nginx_open_source:1.7.3
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cpe:2.3:a:f5:nginx_open_source:1.7.4
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cpe:2.3:a:f5:nginx_open_source:1.7.5
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cpe:2.3:a:f5:nginx_open_source:1.7.6
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cpe:2.3:a:f5:nginx_open_source:1.7.7
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cpe:2.3:a:f5:nginx_open_source:1.7.8
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cpe:2.3:a:f5:nginx_open_source:1.7.9
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cpe:2.3:a:f5:nginx_open_source:1.9.0
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cpe:2.3:a:f5:nginx_open_source:1.9.1
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cpe:2.3:a:f5:nginx_open_source:1.9.10
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cpe:2.3:a:f5:nginx_open_source:1.9.11
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cpe:2.3:a:f5:nginx_open_source:1.9.12
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cpe:2.3:a:f5:nginx_open_source:1.9.13
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cpe:2.3:a:f5:nginx_open_source:1.9.14
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cpe:2.3:a:f5:nginx_open_source:1.9.15
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cpe:2.3:a:f5:nginx_open_source:1.9.2
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cpe:2.3:a:f5:nginx_open_source:1.9.3
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cpe:2.3:a:f5:nginx_open_source:1.9.4
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cpe:2.3:a:f5:nginx_open_source:1.9.5
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cpe:2.3:a:f5:nginx_open_source:1.9.6
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cpe:2.3:a:f5:nginx_open_source:1.9.7
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cpe:2.3:a:f5:nginx_open_source:1.9.8
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cpe:2.3:a:f5:nginx_open_source:1.9.9
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cpe:2.3:a:f5:nginx_plus:r32
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cpe:2.3:a:f5:nginx_plus:r33
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cpe:2.3:a:f5:nginx_plus:r34
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cpe:2.3:a:f5:nginx_plus:r35
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cpe:2.3:a:f5:nginx_plus:r36