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CVE-2009-5064

22
FAUCET Score

CVE-2009-5064 describes a local privilege escalation vulnerability in the GNU C Library (glibc) versions 2.13 and earlier, specifically within the ldd utility. An attacker could exploit this by crafting a malicious executable linked with a modified loader that bypasses certain security checks, potentially leading to full compromise of the system. The vulnerability has a CVSS score of 6.9, indicating a medium severity with local access, medium attack complexity, and complete confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.1.3CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
1.00CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:1.00:*:*:*:*:*:*:*
1.01CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:1.01:*:*:*:*:*:*:*
1.02CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:1.02:*:*:*:*:*:*:*
1.03CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:1.03:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

AV:L/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.54%
Probability of exploitation in next 30 days
EPSS Percentile
42.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0054 is in the 79th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: glibc-0:2.3.4-2.57
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: glibc-0:2.5-65.el5_7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc-0:2.12-1.47.el6
View patch

Vendor Advisories (1)

redhatCVE-2009-5064Low

glibc: ldd unexpected code execution issue

Oct 26, 2009

References

openwall.com / lists/oss-security/2011/03/07/10
Exploit
openwall.com / lists/oss-security/2011/03/07/13
ExploitPatch
openwall.com / lists/oss-security/2011/03/07/7
Exploit
openwall.com / lists/oss-security/2011/03/08/1
ExploitPatch
openwall.com / lists/oss-security/2011/03/08/10
ExploitPatch
openwall.com / lists/oss-security/2011/03/08/2
ExploitPatch
openwall.com / lists/oss-security/2011/03/08/3
ExploitPatch
openwall.com / lists/oss-security/2011/03/08/7
ExploitPatch
reverse.lostrealm.com / protect/ldd.html
Exploit
bugzilla.redhat.com / show_bug.cgi
ExploitPatch
bugzilla.redhat.com / show_bug.cgi
ExploitPatch
catonmat.net / blog/ldd-arbitrary-code-execution
Exploit
redhat.com / support/errata/RHSA-2011-1526.html