CVE catalog
CVE-2013-7423
glibc: CVE-2013-7423
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 5.81% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | glibc | sid | 2.43-7 | fixed |
| Debian | glibc | forky | 2.43-7 | fixed |
| Debian | glibc | trixie | 2.41-12+deb13u4 | fixed |
| Debian | glibc | bookworm | 2.36-9+deb12u14 | fixed |
| Debian | glibc | bookworm-security | 2.36-9+deb12u7 | fixed |
| Ubuntu | eglibc | 14.04 | 2.17-93ubuntu4 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu1 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu2 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu4 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu5 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu6 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu7 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu2 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu3 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu4 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu5 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6.1 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6.3 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6.4 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6.5 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6.6 | fixed |
| Ubuntu | eglibc | 14.04 | 2.17-93ubuntu4 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu1 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu2 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu4 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu5 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu6 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.18-0ubuntu7 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu2 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu3 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu4 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu5 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6.1 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6.3 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6.4 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6.5 | vulnerable |
| Ubuntu | eglibc | 14.04 | 2.19-0ubuntu6.6 | fixed |
| Suse | glibc | linux enterprise desktop 12 | 2.19-20.3 | fixed |
| Suse | glibc | linux enterprise software development kit 12 | 2.19-20.3 | fixed |
| Suse | glibc | linux enterprise server 12 | 2.19-20.3 | fixed |
| Suse | glibc | linux enterprise server for sap applications 12 | 2.19-20.3 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | glibc | source | sid | 2.19-1 | not yet assigned | Not reported | [722075] |
| Debian | glibc | source | forky | 2.19-1 | not yet assigned | Not reported | [722075] |
| Debian | glibc | source | trixie | 2.19-1 | not yet assigned | Not reported | [722075] |
| Debian | glibc | source | bookworm | 2.19-1 | not yet assigned | Not reported | [722075] |
| Ubuntu | eglibc | deb | 14.04 | 2.19-0ubuntu6.6 | Not reported | UBUNTU-CVE-2013-7423 | Not reported |
| Ubuntu | eglibc | deb | 14.04 | 2.19-0ubuntu6.6 | Not reported | USN-2519-1 | Not reported |
| Suse | glibc | rpm | linux enterprise desktop 12 | 2.19-20.3 | Not reported | SUSE-SU-2015:0526-1 | Not reported |
| Suse | glibc | rpm | linux enterprise software development kit 12 | 2.19-20.3 | Not reported | SUSE-SU-2015:0526-1 | Not reported |
| Suse | glibc | rpm | linux enterprise server 12 | 2.19-20.3 | Not reported | SUSE-SU-2015:0526-1 | Not reported |
| Suse | glibc | rpm | linux enterprise server for sap applications 12 | 2.19-20.3 | Not reported | SUSE-SU-2015:0526-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [glibc-doc]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· all · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· all · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· all · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· all · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [glibc-source]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· all · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· all · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· all · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· all · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc6]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· arm64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· arm64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc6-dbg]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· arm64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· arm64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc6-dev]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· arm64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· arm64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc6-dev-i386]Fixed
Source package: [glibc]
Details (2)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc6-dev-x32]Fixed
Source package: [glibc]
Details (2)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc6-i386]Fixed
Source package: [glibc]
Details (2)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc6-x32]Fixed
Source package: [glibc]
Details (2)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc-bin]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· arm64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· arm64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc-dev-bin]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· arm64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· arm64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc-devtools]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· arm64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· arm64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [libc-l10n]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· all · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· all · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· all · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· all · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [locales]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· all · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· all · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· all · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· all · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [locales-all]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· arm64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· arm64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
- [nscd]Fixed
Source package: [glibc]
Details (4)
2.36-9+deb12u14· amd64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u14· arm64 · bookwormFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· amd64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
2.36-9+deb12u7· arm64 · bookworm-securityFixed · Fixed:
2.19-1dsa · glibc · debian · bookworm; dsa · glibc · debian · 12
[Debian 13 (Trixie)]
- [glibc-doc]Fixed
Source package: [glibc]
Details (2)
2.41-12+deb13u3· all · trixieFixed · Fixed:
2.19-1dsa · glibc · debian · 13
2.41-12+deb13u3· all · trixieFixed · Fixed:
2.19-1dsa · glibc · debian · 13
- [glibc-source]Fixed
Source package: [glibc]
Details (2)
2.41-12+deb13u3· all · trixieFixed · Fixed:
2.19-1dsa · glibc · debian · 13
2.41-12+deb13u3· all · trixieFixed · Fixed:
2.19-1dsa · glibc · debian · 13
- [libc6]Fixed
Source package: [glibc]
Details (2)
2.41-12+deb13u3· amd64 · trixieFixed · Fixed:
2.19-1dsa · glibc · debian · 13
2.41-12+deb13u3· arm64 · trixieFixed · Fixed:
2.19-1dsa · glibc · debian · 13
- [libc6-dbg]Fixed
Source package: [glibc]
Details (2)
2.41-12+deb13u3· amd64 · trixieFixed · Fixed:
2.19-1dsa · glibc · debian · 13
2.41-12+deb13u3· arm64 · trixieFixed · Fixed:
2.19-1dsa · glibc · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2015_2199.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2013-7423]
- [https://osv.dev/vulnerability/SUSE-SU-2015:0526-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2013-7423]
- [https://osv.dev/vulnerability/USN-2519-1]
- [https://security-tracker.debian.org/tracker/CVE-2013-7423]
- [https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-7423.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]