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Generated remediation guidance and an executive summary. No account required.
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.
Use CWE-399, Thekelleys vendor hub and Dnsmasq product page to widen CVE-2009-2958 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2021-45957, CVE-2021-45956 and CVE-2021-45955 for nearby disclosures in the same product family.