CVE-2024-39133
NixOS vulnerability analysis and mitigation

Overview

A Heap Buffer Overflow vulnerability was discovered in zziplib version 0.13.77. The vulnerability allows attackers to cause a denial of service through the _zzipparserootdirectory() function located in the /zzip/zip.c file. The vulnerability was disclosed on June 27, 2024, and has been assigned CVE-2024-39133 (NVD).

Technical details

The vulnerability is classified as a Heap-based Buffer Overflow (CWE-122). The issue occurs specifically in the _zzipparserootdirectory() function at zzip/zip.c:539. According to the CVSS 3.1 scoring, it has received a base score of 4.3 (MEDIUM) with the following vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L (RedHat).

Impact

The primary impact of this vulnerability is the potential for denial of service attacks. When successfully exploited, attackers can trigger a heap buffer overflow condition that disrupts the normal operation of applications using the affected zziplib library (GitHub Issue).

Mitigation and workarounds

Currently, the vulnerability affects multiple versions of the zziplib package across different distributions. Red Hat has marked this as 'Will not fix' for Enterprise Linux versions 7, 8, and 9 (RedHat).

Additional resources


SourceThis report was generated using AI

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-12819HIGH8.1
  • NixOSNixOS
  • pgbouncer
NoYesDec 03, 2025
CVE-2025-20777MEDIUM6.7
  • NixOSNixOS
  • android
NoNoDec 02, 2025
CVE-2025-65105MEDIUM5.3
  • NixOSNixOS
  • apptainer
NoYesDec 02, 2025
CVE-2025-20789MEDIUM4.4
  • NixOSNixOS
  • android
NoNoDec 02, 2025
CVE-2025-20788MEDIUM4.4
  • NixOSNixOS
  • android
NoNoDec 02, 2025

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management