CVE-2018-6381

6.5 mediumEPSS 1.7%

Medium (6.5). EPSS 1.7% chance of exploitation in the next 30 days.

In ZZIPlib 0.13.67, 0.13.66, 0.13.65, 0.13.64, 0.13.63, 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57 and 0.13.56 there is a segmentation fault caused by invalid memory access in the zzip_disk_fread function (zzip/mmapped.c) because the size variable is not validated against the amount of file->stored data.

Severity

CVSS 3.0

6.5 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2018-01-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

canonical:ubuntu_linux
gdraheim:zziplib

References

https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-6381
https://github.com/gdraheim/zziplib/issues/12
https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html
https://usn.ubuntu.com/3699-1/
https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-6381

Check your stack JSON