GCVE-110-NCSC-2026-164

Advisory PublishedCVSS 8.1/10

Vulnetix · Advisory published May 18, 2026

NGINX Plus and Open Source versions have a critical heap buffer overflow vulnerability in the ngx_http_rewrite_module exploitable via crafted HTTP requests, potentially leading to arbitrary code execution if ASLR is disabled or denial of service otherwise.

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Weaknesses (CWE)

CWE-122Heap-based Buffer Overflow

Risk Scores

CVSS 3.1

8.1/10

High · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
NGINX	vers:unknown/*	—	—

Aliases

CVE-2026-42945

References

advisory

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