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TI-2018-04818 Aliases CVE-2018-6541GHSA-8c5w-f6g8-9hpg

In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address (when…

Priority LOW 33Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address (when handling disk64_trailer local entries) in __zzip_fetch_disk_trailer (zzip/zip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.

Why it matters now

EPSS 0.02262 83rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:gdraheim:zziplib:0.13.67:*:*:*:*:*:*:*0.13.67Vulnerablegdraheim
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*17.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
  • cpe:2.3:a:gdraheim:zziplib:0.13.67:*:*:*:*:*:*:* Versions 0.13.67 Vulnerable ·gdraheim
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical

Remediation

Red Hat 1 advisory

  • RHSA-2019:2196 Released 2019-08-06 · Red Hat rating Low
    zziplib security update
    • Red Hat Enterprise Linux Client (v. 7) zziplib-0.13.62-11.el7
    • Red Hat Enterprise Linux Client Optional (v. 7) zziplib-devel-0.13.62-11.el7, zziplib-utils-0.13.62-11.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) zziplib-0.13.62-11.el7, zziplib-devel-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, zziplib-0.13.62-11.el7.ppc
    • Red Hat Enterprise Linux Server Optional (v. 7) zziplib-devel-0.13.62-11.el7, zziplib-devel-0.13.62-11.el7.ppc, zziplib-utils-0.13.62-11.el7
    • Red Hat Enterprise Linux Workstation (v. 7) zziplib-0.13.62-11.el7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) zziplib-devel-0.13.62-11.el7, zziplib-utils-0.13.62-11.el7

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:2196
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:2196
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:2196
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:2196
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:2196
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:2196
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:2196
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-6541
  2. 2026-10-03 Alias added: GHSA-8c5w-f6g8-9hpg

References

Exploit 1

Advisory 2

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences