What is CVE-2024-39133?

CVE-2024-39133 is a medium-severity vulnerability in Zziplib Project, classified under Heap-based Buffer Overflow. CVSS score: 4.3/10. Published 2024-06-27.

How severe is CVE-2024-39133?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Buffer overflow in Zziplib Project

CVE-2024-39133

Heap Buffer Overflow vulnerability in zziplib v0.13.77 allows attackers to cause a denial of service via the __zzip_parse_root_directory() function at /zzip/zip.c.

Vulnerability class: Buffer Overflow

Published 2024-06-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.005 (40.9th percentile), scored 2026-10-06.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Zziplib Project — versions 0.13.77

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

github.com/gdraheim/zziplib/issues/164 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2024-39133?: CVE-2024-39133 is a medium-severity vulnerability in Zziplib Project, classified under Heap-based Buffer Overflow. CVSS score: 4.3/10. Published 2024-06-27.
How severe is CVE-2024-39133?: Medium severity. CVSS v3 base score is 4.3 out of 10.