Is CVE-2009-2958 in the CISA KEV catalog?

No. CVE-2009-2958 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-2958?

CVE-2009-2958 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2009-2958?

CVE-2009-2958 has an EPSS score of 10.38% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-2958

MEDIUMEPSS 95th pctl

4.3

CVSS v2

NVD

Description

The tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a TFTP read (aka RRQ) request with a malformed blksize option.

CWE-399

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

10.38%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

http://secunia.com/advisories/36563
http://www.coresecurity.com/content/dnsmasq-vulnerabilities
http://www.redhat.com/support/errata/RHSA-2009-1238.html
http://www.securityfocus.com/bid/36120
http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
http://www.ubuntu.com/usn/USN-827-1
https://bugzilla.redhat.com/show_bug.cgi?id=519020
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9816
https://rhn.redhat.com/errata/RHSA-2010-0095.html

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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.