Is CVE-2010-5109 in the CISA KEV catalog?

No. CVE-2010-5109 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2010-5109?

CVE-2010-5109 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2010-5109?

CVE-2010-5109 has an EPSS score of 2.39% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2010-5109?

Upgrade claws-mail on debian 11 to 3.11.1-2 or later.

CVE & CISA-KEV Catalog

CVE-2010-5109

MEDIUMEPSS 82th pctl

4.3

CVSS v2

NVD

Description

Off-by-one error in the DecompressRTF function in ytnef.c in Yerase's TNEF Stream Reader allows remote attackers to cause a denial of service (crash) via a crafted TNEF file, which triggers a buffer overflow.

CWE-189

How to fix

Remediation Available

claws-mailDebian

Fixed in:3.11.1-2CVE-2010-5109

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

2.39%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Other references6

Related Vulnerabilities

Other CWE-189 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-1538	High	10.0	99%	-	-
CVE-2006-3747	High	7.6	96%	-	Fix
CVE-2007-0071	High	9.3	93%	-	-
CVE-2015-3829	High	10.0	90%	-	-
CVE-2015-3864	High	10.0	87%	-	-
CVE-2015-1539	High	10.0	86%	-	-

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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 2026-05-06.