Is CVE-2009-5064 being actively exploited?

CVE-2009-5064 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-5064?

CVE-2009-5064 has a CVSS 2.0 base score of 6.9 (MEDIUM).

CVE-2009-5064

MEDIUM · CVSS 6.9EPSS 0.5%EU EUVD

ldd in the GNU C Library (aka glibc or libc6) 2.13 and earlier allows local users to gain privileges via a Trojan horse executable file linked with a modified loader that omits certain LD_TRACE_LOADED_OBJECTS checks. NOTE: the GNU C Library vendor states "This is just nonsense. There are a gazillion other ways to introduce code if people are downloading arbitrary binaries and install them in appropriate directories or set LD_LIBRARY_PATH etc.

Key facts

CVSS score: 6.9 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-264
EPSS score: 0.5% (44th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-5020)
Published: March 30, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-5020 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc
gnu / glibc

References

http://openwall.com/lists/oss-security/2011/03/07/10(Exploit)
http://openwall.com/lists/oss-security/2011/03/07/13(Exploit, Patch)
http://openwall.com/lists/oss-security/2011/03/07/7(Exploit)
http://openwall.com/lists/oss-security/2011/03/08/1(Exploit, Patch)
http://openwall.com/lists/oss-security/2011/03/08/10(Exploit, Patch)
http://openwall.com/lists/oss-security/2011/03/08/2(Exploit, Patch)
http://openwall.com/lists/oss-security/2011/03/08/3(Exploit, Patch)
http://openwall.com/lists/oss-security/2011/03/08/7(Exploit, Patch)
http://reverse.lostrealm.com/protect/ldd.html(Exploit)
http://www.catonmat.net/blog/ldd-arbitrary-code-execution/(Exploit)
http://www.redhat.com/support/errata/RHSA-2011-1526.html
https://bugzilla.redhat.com/show_bug.cgi?id=531160(Exploit, Patch)
https://bugzilla.redhat.com/show_bug.cgi?id=682998(Exploit, Patch)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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