CVE-2026-32647 (GCVE-0-2026-32647)

Vulnerability from cvelistv5 – Published: 2026-03-24 14:13 – Updated: 2026-06-30 12:07
VLAI
Title
NGINX ngx_http_mp4_module vulnerability
Summary
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.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
f5
References
URL Tags
https://my.f5.com/manage/s/article/K000160366 vendor-advisory
https://access.redhat.com/security/cve/CVE-2026-32647 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2449598 issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v… x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:13634 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6906 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6907 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:15942 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:14836 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13839 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:15943 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:15945 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13680 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:15966 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6923 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7002 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7343 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8346 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:10065 vendor-advisoryx_refsource_REDHAT
Impacted products
Vendor Product Version
F5 NGINX Open Source Affected: 1.29.0 , < 1.29.7 (semver)
Affected: 1.1.19 , < 1.28.3 (semver)
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F5 NGINX Plus Affected: R36 , < R36 P3 (custom)
Affected: R35 , < R35 P2 (custom)
Affected: R34 , < * (custom)
Affected: R33 , < * (custom)
Affected: R32 , < R32 P5 (custom)
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Red Hat Red Hat Enterprise Linux AppStream EUS (v. 10.0)     cpe:/o:redhat:enterprise_linux_eus:10.0
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Red Hat Red Hat Enterprise Linux AppStream (v. 10)     cpe:/o:redhat:enterprise_linux:10.1
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Red Hat Red Hat Enterprise Linux AppStream (v. 8)     cpe:/a:redhat:enterprise_linux:8::appstream
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Red Hat Red Hat Enterprise Linux AppStream E4S (v.9.0)     cpe:/a:redhat:rhel_e4s:9.0::appstream
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Red Hat Red Hat Enterprise Linux AppStream E4S (v.9.2)     cpe:/a:redhat:rhel_e4s:9.2::appstream
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Red Hat Red Hat Enterprise Linux AppStream EUS (v.9.4)     cpe:/a:redhat:rhel_eus:9.4::appstream
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Red Hat Red Hat Enterprise Linux AppStream EUS (v.9.6)     cpe:/a:redhat:rhel_eus:9.6::appstream
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Red Hat Red Hat Enterprise Linux AppStream (v. 9)     cpe:/a:redhat:enterprise_linux:9::appstream
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Red Hat Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)     cpe:/o:redhat:enterprise_linux_eus:10.0
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Red Hat Red Hat CodeReady Linux Builder EUS (v.9.4)     cpe:/a:redhat:rhel_eus:9.4::crb
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Red Hat Red Hat CodeReady Linux Builder EUS (v.9.6)     cpe:/a:redhat:rhel_eus:9.6::crb
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Red Hat Red Hat Hardened Images     cpe:/a:redhat:hummingbird:1
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Red Hat Red Hat Update Infrastructure 5     cpe:/a:redhat:rhui:5::el9
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Red Hat Red Hat Lightspeed proxy 1     cpe:/a:redhat:insights_proxy:1
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Red Hat Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)     cpe:/o:redhat:enterprise_linux:10.1
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Red Hat Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)     cpe:/a:redhat:enterprise_linux:9::crb
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Date Public
2026-03-24 14:00
Credits
F5 acknowledges Xint Code and Pavel Kohout (Aisle Research) for bringing this issue to our attention and following the highest standards of coordinated disclosure.
Show details on NVD website

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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. \\n\\n\\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"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. \\n\\n\\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-125\", \"description\": \"CWE-125 Out-of-bounds Read\"}]}], \"providerMetadata\": {\"orgId\": \"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab\", \"shortName\": \"f5\", \"dateUpdated\": \"2026-03-24T14:40:08.455Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-32647\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-25T03:55:49.464Z\", \"dateReserved\": \"2026-03-18T16:06:38.427Z\", \"assignerOrgId\": \"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab\", \"datePublished\": \"2026-03-24T14:13:25.724Z\", \"assignerShortName\": \"f5\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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