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CVE-2009-2958
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…
Medium4.3EPSS 10.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 10.4% · top 4.3% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (9)
- 36563 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-827-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=519020 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 36120 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.thekelleys.org.uk/dnsmasq/CHANGELOG (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:9816 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://www.coresecurity.com/content/dnsmasq-vulnerabilities (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2010:0095 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2009:1238 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2009-2958)Record last updated .