Out-of-Bounds Affecting zziplib-devel package, versions <0:0.13.71-11.el9_4


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.34% (28th percentile)

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  • Snyk IDSNYK-RHEL9-ZZIPLIBDEVEL-12420295
  • published1 Sept 2025
  • disclosed28 Oct 2023

Introduced: 28 Oct 2023

CVE-2020-18770  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:9 zziplib-devel to version 0:0.13.71-11.el9_4 or higher.
This issue was patched in RHSA-2024:2377.

NVD Description

Note: Versions mentioned in the description apply only to the upstream zziplib-devel package and not the zziplib-devel package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.

CVSS Base Scores

version 3.1