Is CVE-2006-5397 in the CISA KEV catalog?

No. CVE-2006-5397 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-5397?

CVE-2006-5397 has a CVSS v2 base score of 2.1 (LOW).

What is the EPSS score for CVE-2006-5397?

CVE-2006-5397 has an EPSS score of 0.36% (28th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2006-5397?

Upgrade libx11 on debian 11 to 2:1.0.3-3 or later.

CVE & CISA-KEV Catalog

CVE-2006-5397

LOW

2.1

CVSS v2

NVD

Description

The Xinput module (modules/im/ximcp/imLcIm.c) in X.Org libX11 1.0.2 and 1.0.3 opens a file for reading twice using the same file descriptor, which causes a file descriptor leak that allows local users to read files specified by the XCOMPOSEFILE environment variable via the duplicate file descriptor.

How to fix

Remediation Available

libx11Debian

Fixed in:2:1.0.3-3CVE-2006-5397

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.36%probability of exploitation in 30 days

28thpercentile

Low risk: more likely to be exploited than 28% of all known CVEs.

References

Patch1

bugs.freedesktop.org

Vendor Advisory1

secunia.com

Other references6

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.