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CVE-2015-3294
The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows…
Medium6.4EPSS 5.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.4 | AV:N/AC:L/Au:N/C:P/I:N/A:P |
- EPSS (exploitation in 30 days)
- 5.0% · top 7.8% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.4.
Weakness
Affected products
n/a
- affected n/a
References (11)
- DSA-3251 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [Dnsmasq-discuss] 20150407 dnsmsaq potential vulnerability (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2015:0857 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-2593-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- GLSA-201512-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [Dnsmasq-discuss] 20150407 dnsmsaq potential vulnerability (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 1032195 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 74452 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20150423 Dnsmasq 2.72 Unchecked returned value (opens in a new tab)mailing-listx_refsource_BUGTRAQx_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-2015-3294)Record last updated .