CVE-2013-7423
MEDIUM · CVSS 5.0EPSS 5.8%EU EUVD
The send_dg function in resolv/res_send.c in GNU C Library (aka glibc or libc6) before 2.20 does not properly reuse file descriptors, which allows remote attackers to send DNS queries to unintended locations via a large number of requests that trigger a call to the getaddrinfo function.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-17
- EPSS score
- 5.8% (93th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-7187)
- Published
- February 24, 2015
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-7187 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- gnu / glibc
- opensuse / opensuse
- opensuse / opensuse
- redhat / enterprise linux server aus
References
- http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html(Third Party Advisory)
- http://packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html
- http://rhn.redhat.com/errata/RHSA-2015-0863.html
- http://seclists.org/fulldisclosure/2021/Sep/0
- http://www.openwall.com/lists/oss-security/2015/01/28/20(Mailing List, Third Party Advisory)
- http://www.securityfocus.com/bid/72844(Third Party Advisory, VDB Entry)
- http://www.ubuntu.com/usn/USN-2519-1(Third Party Advisory)
- https://access.redhat.com/errata/RHSA-2016:1207(Third Party Advisory)
- https://github.com/golang/go/issues/6336(Third Party Advisory)
- https://security.gentoo.org/glsa/201602-02(Third Party Advisory)
- https://sourceware.org/bugzilla/show_bug.cgi?id=15946(Issue Tracking)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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