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CVE-2006-1168

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

7.5 HighFix available

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.

Exploit likelihood

5.82%Down 2.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2006-1168
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2006-1168
Updated
2026-11-02
EUVDEUVD-2006-1172 No score

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.

Record
EUVD-2006-1172
Updated
2026-11-03
GitHub AdvisoriesGHSA-8g8g-9f4q-f275 No score

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

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.

Record
GHSA-8g8g-9f4q-f275
Updated
2026-11-02
OSV No score

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.

Record
CVE-2006-1168
Updated
2026-11-02
OSVDEBIAN-CVE-2006-1168 No score

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.

Record
DEBIAN-CVE-2006-1168
Updated
2026-11-02
OSVopenSUSE-SU-2024:10385-1 No score

ncompress-4.2.4.4-1.1 on GA media

These are all security issues fixed in the ncompress-4.2.4.4-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10385-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ncompress
Debian:12
 before 4.2.4-16
4.2.4-16
ncompress
Debian:13
 before 4.2.4-16
4.2.4-16
ncompress
Debian:14
 before 4.2.4-16
4.2.4-16
ncompress
Debian:3.1
 before 4.2.4-15sarge2, plus listed versions
4.2.4-154.2.4-15sarge1
4.2.4-15sarge2
ncompress
Red Hat:enterprise_linux:3::as
 before 0:4.2.4-39.rhel3
0:4.2.4-39.rhel3
ncompress-debuginfo
Red Hat:enterprise_linux:3::as
 before 0:4.2.4-39.rhel3
0:4.2.4-39.rhel3
ncompress
Red Hat:enterprise_linux:3::desktop
 before 0:4.2.4-39.rhel3
0:4.2.4-39.rhel3
ncompress-debuginfo
Red Hat:enterprise_linux:3::desktop
 before 0:4.2.4-39.rhel3
0:4.2.4-39.rhel3
ncompress
Red Hat:enterprise_linux:3::es
 before 0:4.2.4-39.rhel3
0:4.2.4-39.rhel3
ncompress-debuginfo
Red Hat:enterprise_linux:3::es
 before 0:4.2.4-39.rhel3
0:4.2.4-39.rhel3
Show 23 moreShow less
Affected packages
PackageAffectedFixed
ncompress
Red Hat:enterprise_linux:3::ws
 before 0:4.2.4-39.rhel3
0:4.2.4-39.rhel3
ncompress-debuginfo
Red Hat:enterprise_linux:3::ws
 before 0:4.2.4-39.rhel3
0:4.2.4-39.rhel3
ncompress
Red Hat:enterprise_linux:4::as
 before 0:4.2.4-43.rhel4
0:4.2.4-43.rhel4
ncompress-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:4.2.4-43.rhel4
0:4.2.4-43.rhel4
ncompress
Red Hat:enterprise_linux:4::desktop
 before 0:4.2.4-43.rhel4
0:4.2.4-43.rhel4
ncompress-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:4.2.4-43.rhel4
0:4.2.4-43.rhel4
ncompress
Red Hat:enterprise_linux:4::es
 before 0:4.2.4-43.rhel4
0:4.2.4-43.rhel4
ncompress-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:4.2.4-43.rhel4
0:4.2.4-43.rhel4
ncompress
Red Hat:enterprise_linux:4::ws
 before 0:4.2.4-43.rhel4
0:4.2.4-43.rhel4
ncompress-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:4.2.4-43.rhel4
0:4.2.4-43.rhel4
busybox
Red Hat:enterprise_linux:5::client
 before 1:1.2.0-13.el5
1:1.2.0-13.el5
busybox-anaconda
Red Hat:enterprise_linux:5::client
 before 1:1.2.0-13.el5
1:1.2.0-13.el5
busybox
Red Hat:enterprise_linux:5::server
 before 1:1.2.0-13.el5
1:1.2.0-13.el5
busybox-anaconda
Red Hat:enterprise_linux:5::server
 before 1:1.2.0-13.el5
1:1.2.0-13.el5
busybox
Red Hat:enterprise_linux:6::client
 before 1:1.15.1-15.el6
1:1.15.1-15.el6
busybox-petitboot
Red Hat:enterprise_linux:6::client
 before 1:1.15.1-15.el6
1:1.15.1-15.el6
busybox
Red Hat:enterprise_linux:6::computenode
 before 1:1.15.1-15.el6
1:1.15.1-15.el6
busybox-petitboot
Red Hat:enterprise_linux:6::computenode
 before 1:1.15.1-15.el6
1:1.15.1-15.el6
busybox
Red Hat:enterprise_linux:6::server
 before 1:1.15.1-15.el6
1:1.15.1-15.el6
busybox-petitboot
Red Hat:enterprise_linux:6::server
 before 1:1.15.1-15.el6
1:1.15.1-15.el6
busybox
Red Hat:enterprise_linux:6::workstation
 before 1:1.15.1-15.el6
1:1.15.1-15.el6
busybox-petitboot
Red Hat:enterprise_linux:6::workstation
 before 1:1.15.1-15.el6
1:1.15.1-15.el6
ncompress
openSUSE:Tumbleweed
 before 4.2.4.4-1.1
4.2.4.4-1.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-1168 is a high vulnerability (CVSS 7.5) in Ncompress, published August 10, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.82%, the 93rd percentile. Fixed in ncompress 4.2.4-16.

References

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