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Fencer Vulns
medium 6.5

CVE-2018-16548 json

An issue was discovered in ZZIPlib through 0.13.69.

published 2018-09-05 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8357

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

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.

Patch / fix

  • zziplib Debian 14, Debian 13, Debian 12 0.13.62-3.2

debian advisories DEBIAN-CVE-2018-16548

  • zziplib RHEL 7 0.13.62-11.el7
  • zziplib-utils RHEL 7 0.13.62-11.el7

red hat advisories RHSA-2019:2196

  • zziplib SLED 12 SP4, SLE Workstation Extension 12 SP5, SLE Workstation Extension 12 SP4 +2 more 0.13.67-10.25.1
  • zziplib SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 0.13.69-3.10.1

suse advisories SUSE-SU-2019:3341-1SUSE-SU-2019:2750-1

  • zziplib openSUSE Tumbleweed 0.13.72-1.4
  • zziplib openSUSE Leap 15.1 0.13.69-lp151.4.3.1
  • zziplib openSUSE Leap 15.0 0.13.69-lp150.7.1

opensuse advisories openSUSE-SU-2024:11546-1openSUSE-SU-2019:2396-1openSUSE-SU-2019:2394-1

  • zziplib Alpine 3.24, Alpine 3.23, Alpine 3.22 +12 more 0.13.69-r2

alpine advisories ALPINE-CVE-2018-16548

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • zziplib CBL-Mariner 2.0 0.13.69-8

azure linux advisories AZL-7013AZL-7457

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-16548 updated cvss 4.0

zziplib: Memory leak triggered in the function __zzip_parse_root_directory in zip.c

  • Red Hat Enterprise Linux Client (v. 7) zziplib 0.13.62-11.el7 Red Hat Enterprise Linux Client Optional (v. 7) zziplib-utils 0.13.62-11.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) zziplib 0.13.62-11.el7, zziplib-utils 0.13.62-11.el7 Red Hat Enterprise Linux Server (v. 7) zziplib 0.13.62-11.el7 Red Hat Enterprise Linux Server Optional (v. 7) zziplib-utils 0.13.62-11.el7 Red Hat Enterprise Linux Workstation (v. 7) zziplib 0.13.62-11.el7
    +1 more products
    Red Hat Enterprise Linux Workstation Optional (v. 7) zziplib-utils 0.13.62-11.el7
    fixed: vendor fix RHSA-2019:2196
  • Red Hat Enterprise Linux 8 zziplib, zziplib-utils
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/gdraheim/zziplib/issues/58 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-772 Missing Release of Resource after Effective Lifetime

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.