Is CVE-2006-5646 in the CISA KEV catalog?

No. CVE-2006-5646 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-5646?

CVE-2006-5646 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2006-5646?

CVE-2006-5646 has an EPSS score of 17.43% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2006-5646

MEDIUMEPSS 97th pctl

5.0

CVSS v2

NVD

Description

Heap-based buffer overflow in Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and other platforms before 4.11, when archive scanning is enabled, allows remote attackers to trigger a denial of service (memory corruption) via a CHM file with an LZX decompression header that specifies a Window_size of 0.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

17.43%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

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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.