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TI-2018-04819 Aliases CVE-2018-6542GHSA-66ww-fgg3-pc35

In ZZIPlib 0.13.67, there is a bus error (when handling a disk64_trailer seek value)…

Priority LOW 31Published · 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
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

In ZZIPlib 0.13.67, there is a bus error (when handling a disk64_trailer seek value) caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c.

Why it matters now

EPSS 0.0122 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:gdraheim:zziplib:0.13.67:*:*:*:*:*:*:*0.13.67Vulnerablegdraheim
  • cpe:2.3:a:gdraheim:zziplib:0.13.67:*:*:*:*:*:*:* Versions 0.13.67 Vulnerable ·gdraheim

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

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

Not affected: 2 products
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-6542
  2. 2026-10-03 Alias added: GHSA-66ww-fgg3-pc35

References

Exploit 1

  • TI-2024-26186 A Stack Buffer Overflow vulnerability in zziplibv 0.13.77 allows attackers to cause a… CVSS 3.1HIGH 7.5
  • TI-2020-13469 An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in… CVSS 3.1MEDIUM 5.5
  • TI-2018-05016 In ZZIPlib 0.13.68, there is an uncontrolled memory allocation and a crash in the… CVSS 3.0MEDIUM 6.5
  • TI-2018-11868 An issue was discovered in ZZIPlib through 0.13.69. CVSS 3.0MEDIUM 6.5
  • TI-2018-04818 In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address (when… CVSS 3.0MEDIUM 6.5
  • TI-2018-04817 In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the… CVSS 3.0MEDIUM 6.5
See all 21 →

Sources

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