How severe is CVE-2006-4337?

CVE-2006-4337 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-4337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4337?

CVE-2006-4337 affects Gzip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-4337?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-4337 published?

CVE-2006-4337 was published on 2006-09-19 and last updated on 2026-06-16.

CVE-2006-4337

CVE-2006-4337 is a high-severity vulnerability in Gzip with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Gzip
Published: 2006-09-19
Last modified: 2026-06-16

Description

Buffer overflow in the make_table function in the LHZ component in gzip 1.3.5 allows context-dependent attackers to execute arbitrary code via a crafted decoding table in a GZIP archive.

Frequently asked questions

What is CVE-2006-4337?: Buffer overflow in the make_table function in the LHZ component in gzip 1.3.5 allows context-dependent attackers to execute arbitrary code via a crafted decoding table in a GZIP archive.
How severe is CVE-2006-4337?: CVE-2006-4337 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-4337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4337?: CVE-2006-4337 affects Gzip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4337?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-4337 published?: CVE-2006-4337 was published on 2006-09-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:gzip:gzip:1.3.5:*:*:*:*:*:*:*

More vulnerabilities in Gzip

CVE-2006-4336 — High (CVSS 7.5): Buffer underflow in the build_tree function in unpack.c in gzip 1.3.5 allows context-dependent attackers to execute…
CVE-2006-4335 — High (CVSS 7.5): Array index error in the make_table function in unlzh.c in the LZH decompression component in gzip 1.3.5, when running…
CVE-2006-4338 — Medium (CVSS 5.0): unlzh.c in the LHZ component in gzip 1.3.5 allows context-dependent attackers to cause a denial of service (infinite…
CVE-2006-4334 — Medium (CVSS 5.0): Unspecified vulnerability in gzip 1.3.5 allows context-dependent attackers to cause a denial of service (crash) via a…

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