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TI-2006-04191 Aliases CVE-2006-4338GHSA-pr85-6mjj-rj93

unlzh.c in the LHZ component in gzip 1.3.5 allows context-dependent attackers to cause a…

Priority LOW 29Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

unlzh.c in the LHZ component in gzip 1.3.5 allows context-dependent attackers to cause a denial of service (infinite loop) via a crafted GZIP archive.

Why it matters now

EPSS 0.03904 90th percentileScored 2026-11-07
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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:gzip:gzip:1.3.5:*:*:*:*:*:*:*1.3.5VulnerableGzip
  • cpe:2.3:a:gzip:gzip:1.3.5:*:*:*:*:*:*:* Versions 1.3.5 Vulnerable ·Gzip

Remediation

Red Hat 1 advisory

  • RHSA-2006:0667 Released 2006-09-19 · Red Hat rating Moderate
    gzip security update
    • Red Hat Desktop version 3 gzip-1.3.3-13.rhel3, gzip-1.3.3-13.rhel3.i386
    • Red Hat Enterprise Linux AS version 3 gzip-1.3.3-13.rhel3, gzip-1.3.3-13.rhel3.i386, gzip-1.3.3-13.rhel3.ia64 +1
    • Red Hat Enterprise Linux AS version 4 gzip-1.3.3-16.rhel4, gzip-1.3.3-16.rhel4.i386, gzip-1.3.3-16.rhel4.ia64 +1
    • Red Hat Enterprise Linux Desktop version 4 gzip-1.3.3-16.rhel4, gzip-1.3.3-16.rhel4.i386
    • Red Hat Enterprise Linux ES version 3 gzip-1.3.3-13.rhel3, gzip-1.3.3-13.rhel3.i386, gzip-1.3.3-13.rhel3.ia64
    • Red Hat Enterprise Linux ES version 4 gzip-1.3.3-16.rhel4, gzip-1.3.3-16.rhel4.i386, gzip-1.3.3-16.rhel4.ia64
    • Red Hat Enterprise Linux WS version 3 gzip-1.3.3-13.rhel3, gzip-1.3.3-13.rhel3.i386, gzip-1.3.3-13.rhel3.ia64
    • Red Hat Enterprise Linux WS version 4 gzip-1.3.3-16.rhel4, gzip-1.3.3-16.rhel4.i386, gzip-1.3.3-16.rhel4.ia64

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2006:0667
Red Hat Enterprise Linux AS version 3Fixed RHSA-2006:0667
Red Hat Enterprise Linux AS version 4Fixed RHSA-2006:0667
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2006:0667
Red Hat Enterprise Linux ES version 3Fixed RHSA-2006:0667
Red Hat Enterprise Linux ES version 4Fixed RHSA-2006:0667
Red Hat Enterprise Linux WS version 3Fixed RHSA-2006:0667
Red Hat Enterprise Linux WS version 4Fixed RHSA-2006:0667

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-4338
  2. 2026-10-03 Alias added: GHSA-pr85-6mjj-rj93
  3. 2026-10-18 EPSS moved to the 90th–95th percentile

References

Patch 1

Advisory 13

Other 14

  • TI-2006-04190 Buffer overflow in the make_table function in the LHZ component in gzip 1.3.5 allows… CVSS 2.0HIGH 7.5
  • TI-2006-04189 Buffer underflow in the build_tree function in unpack.c in gzip 1.3.5 allows… CVSS 2.0HIGH 7.5
  • TI-2006-04188 Array index error in the make_table function in unlzh.c in the LZH decompression… CVSS 2.0HIGH 7.5
  • TI-2006-04187 Unspecified vulnerability in gzip 1.3.5 allows context-dependent attackers to cause a… CVSS 2.0MEDIUM 5.0

Sources

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