What is CVE-2018-7727?

CVE-2018-7727 is a medium-severity vulnerability in Gdraheim Zziplib, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2018-03-06.

How severe is CVE-2018-7727?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Gdraheim Zziplib

CVE-2018-7727

An issue was discovered in ZZIPlib 0.13.68. There is a memory leak triggered in the function zzip_mem_disk_new in memdisk.c, which will lead to a denial of service attack.

Published 2018-03-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Gdraheim Zziplib — versions 0.13.68
Red Hat Enterprise Linux Desktop — versions 7.0
Red Hat Enterprise Linux Server — versions 7.0
Red Hat Enterprise Linux Workstation — versions 7.0

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

References

github.com/gdraheim/zziplib/issues/40 (Exploit, Third Party Advisory, Issue Tracking)
access.redhat.com/errata/RHSA-2018:3229 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-7727?: CVE-2018-7727 is a medium-severity vulnerability in Gdraheim Zziplib, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2018-03-06.
How severe is CVE-2018-7727?: Medium severity. CVSS v3 base score is 6.5 out of 10.