Unrated severityNVD Advisory· Published Feb 24, 2015· Updated Jun 17, 2026
CVE-2013-7423
CVE-2013-7423
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*+ 3 more
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:*
- osv-coords5 versionspkg:rpm/opensuse/glibc&distro=openSUSE%20Tumbleweedpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012
< 2.24-2.3+ 4 more
- (no CPE)range: < 2.24-2.3
- (no CPE)range: < 2.19-20.3
- (no CPE)range: < 2.19-20.3
- (no CPE)range: < 2.19-20.3
- (no CPE)range: < 2.19-20.3
Patches
Vulnerability mechanics
References
11- lists.opensuse.org/opensuse-updates/2015-02/msg00089.htmlnvdThird Party Advisory
- www.openwall.com/lists/oss-security/2015/01/28/20nvdMailing ListThird Party Advisory
- www.securityfocus.com/bid/72844nvdThird Party AdvisoryVDB Entry
- www.ubuntu.com/usn/USN-2519-1nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2016:1207nvdThird Party Advisory
- github.com/golang/go/issues/6336nvdThird Party Advisory
- security.gentoo.org/glsa/201602-02nvdThird Party Advisory
- sourceware.org/bugzilla/show_bug.cginvdIssue Tracking
- packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.htmlnvd
- rhn.redhat.com/errata/RHSA-2015-0863.htmlnvd
- seclists.org/fulldisclosure/2021/Sep/0nvd
News mentions
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