When parsing request variables such as query-string and form parameters, HHVM did not check that appending a nested array succeeded before descending into it. A remote, unauthenticated attacker could send a GET or POST request which would crash the HHVM server process before any application code runs, leading to denial of service. This issue affected HHVM prior to 23c061f4e804a51badd5f85227e65185651253b5.

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History

Fri, 13 Nov 2026 08:30:00 +0000

Type Values Removed Values Added
Title HHVM Denial of Service via Malformed Query Parameters
Weaknesses CWE-665
CWE-767

Thu, 12 Nov 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Facebook
Facebook hhvm
Vendors & Products Facebook
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Thu, 12 Nov 2026 11:45:00 +0000

Type Values Removed Values Added
Title HHVM Denial of Service via Malformed Query Parameters
Weaknesses CWE-665
CWE-767

Wed, 11 Nov 2026 17:00:00 +0000

Type Values Removed Values Added
Description When parsing request variables such as query-string and form parameters, HHVM did not check that appending a nested array succeeded before descending into it. A remote, unauthenticated attacker could send a GET or POST request which would crash the HHVM server process before any application code runs, leading to denial of service. This issue affected HHVM prior to 23c061f4e804a51badd5f85227e65185651253b5.
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cve-icon MITRE

Status: PUBLISHED

Assigner: Meta

Published:

Updated: 2026-11-11T16:57:01.125Z

Reserved: 2026-10-30T15:01:18.704Z

Link: CVE-2026-119723

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-11T17:17:17.220

Modified: 2026-11-12T20:04:52.377

Link: CVE-2026-119723

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-13T08:15:09Z

Weaknesses

No weakness.