PulseLinuxLINUX UPDATE INTELLIGENCE
CVE Database›Document archive›CVE-2022-37434

CVE-2022-37434

zlib: heap-based buffer over-read and overflow in inflate() in inflate.c via a large gzip header extra field

Loading…

Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · August 5, 2022

Updated · October 15, 2026

Description

A security vulnerability was found in zlib. The flaw triggered a heap-based buffer in inflate in the inflate.c function via a large gzip header extra field. This flaw is only applicable in the call inflateGetHeader.

Statement

While some Red Hat Products bundle the affected zlib source code, in many cases it is not possible for an attacker to trigger the vulnerable function.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer