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CVE-2009-2958

MediumPublished

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...

Published: Sep 2, 2009
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Sep 9, 2009

Primary CVSS

4.3/ 10Medium

nvd · CVSS 2.0

AV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS probability estimate

10.4%

Moderate · next 30 days

Percentile: 95.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Dnsmasq < 2.50 - Heap Overflow / Null Pointer DereferenceExploit
Core Security · windows · Sep 9, 2009

Responsible use

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