PT-2026-50654 · Canonical · Libnginx-Mod-Http-Js+3

Published

2026-06-11

·

Updated

2026-06-11

None

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Name of the Vulnerable Software and Affected Versions njs (affected versions not specified)
Description Improper handling of client-controlled variables during the processing of ngx.fetch() requests can lead to a heap buffer overflow. This condition may allow an attacker to achieve arbitrary code execution or cause a denial of service. A heap buffer overflow occurs when a program writes more data to a heap-allocated memory block than it can hold.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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Related Identifiers

USN-8425-1

Affected Products

Libnginx-Mod-Http-Js
Libnginx-Mod-Js
Libnginx-Mod-Stream-Js
Njs