CVE-2026-119723

Published Nov 11, 2026 CVSS n/a EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title HHVM Denial of Service via Malformed Query Parameters
Weaknesses CWE-665
CWE-767
Type Values Removed Values Added
First Time appeared Facebook
Facebook hhvm
Vendors & Products Facebook
Facebook hhvm
Type Values Removed Values Added
Title HHVM Denial of Service via Malformed Query Parameters
Weaknesses CWE-665
CWE-767
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.
References
Weaknesses

No weakness.

Sources

Status
PUBLISHED
Assigner
Meta
Published
Updated
Nov 11, 2026, 4:57 PM
Reserved
Oct 30, 2026, 3:01 PM
Status
Awaiting Analysis
Published
Nov 11, 2026, 5:17 PM
Modified
Nov 12, 2026, 8:04 PM