What is CVE-2018-16548?

CVE-2018-16548 is a medium-severity vulnerability in Gdraheim Zziplib, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2018-09-05.

How severe is CVE-2018-16548?

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

Vulnerability in Gdraheim Zziplib

CVE-2018-16548

An issue was discovered in ZZIPlib through 0.13.69. There is a memory leak triggered in the function __zzip_parse_root_directory in zip.c, which will lead to a denial of service attack.

Published 2018-09-05 · 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: 0.020 (79.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Gdraheim Zziplib

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

References

github.com/gdraheim/zziplib/issues/58 (Exploit, Patch, Third Party Advisory)
access.redhat.com/errata/RHSA-2019:2196 (vendor-advisory)
lists.opensuse.org/opensuse-security-announce/2019-10/msg00065.html (vendor-advisory)
lists.opensuse.org/opensuse-security-announce/2019-10/msg00066.html (vendor-advisory)
lists.debian.org/debian-lts-announce/2020/06/msg00029.html (mailing-list)

Frequently asked questions

What is CVE-2018-16548?: CVE-2018-16548 is a medium-severity vulnerability in Gdraheim Zziplib, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2018-09-05.
How severe is CVE-2018-16548?: Medium severity. CVSS v3 base score is 6.5 out of 10.