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CVE-2026-111142

zziplib: zziplib: Denial of Service via out-of-bounds read in ZIP central directory parsing

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · October 16, 2026

Updated · October 16, 2026

Description

A flaw was found in zziplib. An out-of-bounds read vulnerability allows an attacker to cause a Denial of Service (DoS) by crashing the application. By supplying a specially crafted ZIP archive with a malformed central directory, an attacker can force the library to read past allocated memory buffers during entry name processing.

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-125 · Out-of-bounds Read