CVE Database›Document archive›CVE-2024-32760

CVE-2024-32760

nginx: undisclosed HTTP/3 encoder instructions terminate or cause or other potential impact

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · May 29, 2024

Updated · November 21, 2025

Description

A flaw was found in the nginx HTTP/3 implementation. Undisclosed HTTP/3 encoder instructions can trigger an out-of-bounds write error, causing worker processes to crash, leading to a denial of service or other potential impacts.

Statement

As this flaw allows a remote attacker to cause a denial of service, it has been rated with an important severity.

The nginx package as shipped in Red Hat Enterprise Linux 8, 9 and RHSCL is not affected by this vulnerability because the support for HTTP/3 is not enabled and the vulnerable code was introduced in a later version of nginx.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-787 · Out-of-bounds Write