CVE-2018-6381

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-01-29 · updated 2026-06-17
Weakness: CWE-119

Description

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.

Affected products

Canonical Ubuntu Linux: 14.04, 16.04, 17.10, 18.04
gdraheim zziplib: 0.13.67

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
https://github.com/gdraheim/zziplib/issues/12
https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html
https://usn.ubuntu.com/3699-1/

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