CVE-2020-18770 Affecting zziplib package, versions <0:0.13.68-13.el8_10


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-ROCKY8-ZZIPLIB-11334055
  • published30 Jul 2025
  • disclosed22 Aug 2023

Introduced: 22 Aug 2023

CVE-2020-18770  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 zziplib to version 0:0.13.68-13.el8_10 or higher.
This issue was patched in RLSA-2024:3127.

NVD Description

Note: Versions mentioned in the description apply only to the upstream zziplib package and not the zziplib package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 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