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TI-2006-01135 Aliases CVE-2006-1168GHSA-8g8g-9f4q-f275

The decompress function in compress42.c in (1) ncompress 4.2.4 and (2) liblzw allows…

Priority MEDIUM 42Published · 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
Partial · Partial · Partial
Fix status
Fixed

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

Summary

The decompress function in compress42.c in (1) ncompress 4.2.4 and (2) liblzw allows remote attackers to cause a denial of service (crash), and possibly execute arbitrary code, via crafted data that leads to a buffer underflow.

Why it matters now

EPSS 0.05817 93rd percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories

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:ncompress:ncompress:4.2.4:*:*:*:*:*:*:*4.2.4VulnerableNcompress
  • cpe:2.3:a:ncompress:ncompress:4.2.4:*:*:*:*:*:*:* Versions 4.2.4 Vulnerable ·Ncompress

Remediation

Red Hat 3 advisories

  • RHSA-2012:0810 Released 2012-06-19 · Red Hat rating Low
    busybox security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) busybox-1:1.15.1-15.el6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) busybox-1:1.15.1-15.el6, busybox-petitboot-1:1.15.1-15.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) busybox-1:1.15.1-15.el6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) busybox-1:1.15.1-15.el6, busybox-petitboot-1:1.15.1-15.el6
    • Red Hat Enterprise Linux Server (v. 6) busybox-1:1.15.1-15.el6
    • Red Hat Enterprise Linux Server Optional (v. 6) busybox-1:1.15.1-15.el6, busybox-petitboot-1:1.15.1-15.el6
    • Red Hat Enterprise Linux Workstation (v. 6) busybox-1:1.15.1-15.el6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) busybox-1:1.15.1-15.el6, busybox-petitboot-1:1.15.1-15.el6
  • RHSA-2012:0308 Released 2012-02-21 · Red Hat rating Low
    busybox security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) busybox-1:1.2.0-13.el5, busybox-1:1.2.0-13.el5.i386, busybox-1:1.2.0-13.el5.ia64 +5
    • Red Hat Enterprise Linux Desktop (v. 5 client) busybox-1:1.2.0-13.el5, busybox-1:1.2.0-13.el5.i386, busybox-anaconda-1:1.2.0-13.el5 +1
  • RHSA-2006:0663 Released 2006-09-12 · Red Hat rating Low
    ncompress security update
    • Red Hat Desktop version 3 ncompress-4.2.4-39.rhel3, ncompress-4.2.4-39.rhel3.i386
    • Red Hat Enterprise Linux AS version 3 ncompress-4.2.4-39.rhel3, ncompress-4.2.4-39.rhel3.i386, ncompress-4.2.4-39.rhel3.ia64 +1
    • Red Hat Enterprise Linux AS version 4 ncompress-4.2.4-43.rhel4, ncompress-4.2.4-43.rhel4.i386, ncompress-4.2.4-43.rhel4.ia64 +1
    • Red Hat Enterprise Linux Desktop version 4 ncompress-4.2.4-43.rhel4, ncompress-4.2.4-43.rhel4.i386
    • Red Hat Enterprise Linux ES version 3 ncompress-4.2.4-39.rhel3, ncompress-4.2.4-39.rhel3.i386, ncompress-4.2.4-39.rhel3.ia64
    • Red Hat Enterprise Linux ES version 4 ncompress-4.2.4-43.rhel4, ncompress-4.2.4-43.rhel4.i386, ncompress-4.2.4-43.rhel4.ia64
    • Red Hat Enterprise Linux WS version 3 ncompress-4.2.4-39.rhel3, ncompress-4.2.4-39.rhel3.i386, ncompress-4.2.4-39.rhel3.ia64
    • Red Hat Enterprise Linux WS version 4 ncompress-4.2.4-43.rhel4, ncompress-4.2.4-43.rhel4.i386, ncompress-4.2.4-43.rhel4.ia64

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2006:0663
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:0308
Red Hat Enterprise Linux AS version 3Fixed RHSA-2006:0663
Red Hat Enterprise Linux AS version 4Fixed RHSA-2006:0663
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2012:0308
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2012:0810
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:0810
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2006:0663
Red Hat Enterprise Linux ES version 3Fixed RHSA-2006:0663
Red Hat Enterprise Linux ES version 4Fixed RHSA-2006:0663
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2012:0810
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:0810
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:0810
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:0810
Red Hat Enterprise Linux WS version 3Fixed RHSA-2006:0663
Red Hat Enterprise Linux WS version 4Fixed RHSA-2006:0663
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:0810
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:0810
Not affected: 3 products
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-1168
  2. 2026-10-03 Alias added: GHSA-8g8g-9f4q-f275

References

Advisory 7

Other 6

  • TI-2001-01365 Stack-based buffer overflow in the comprexx function for ncompress 4.2.4 and earlier… CVSS 2.0HIGH 7.5
  • TI-2005-02823 ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink… CVSS 2.0LOW 2.1

Sources

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