CVE-2010-3847

CVE-2010-3847 is a medium-severity vulnerability in Gnu Glibc with a CVSS 2.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.9)
• EPSS exploit prediction: 9% (95th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-59
• Affected product: Gnu Glibc
• Published: 2011-01-07
• Last modified: 2026-06-16

Description

elf/dl-load.c in ld.so in the GNU C Library (aka glibc or libc6) through 2.11.2, and 2.12.x through 2.12.1, does not properly handle a value of $ORIGIN for the LD_AUDIT environment variable, which allows local users to gain privileges via a crafted dynamic shared object (DSO) located in an arbitrary directory.

Frequently asked questions

What is CVE-2010-3847?

elf/dl-load.c in ld.so in the GNU C Library (aka glibc or libc6) through 2.11.2, and 2.12.x through 2.12.1, does not properly handle a value of $ORIGIN for the LD_AUDIT environment variable, which allows local users to gain privileges via a crafted dynamic shared object (DSO) located in an arbitrary directory.

How severe is CVE-2010-3847?

CVE-2010-3847 has a CVSS 2.0 base score of 6.9, rated medium severity.

Is CVE-2010-3847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3847?

CVE-2010-3847 primarily affects Gnu Glibc. In total, 55 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-3847?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-3847 published?

CVE-2010-3847 was published on 2011-01-07 and last updated on 2026-06-16.

References

• http://seclists.org/fulldisclosure/2010/Oct/257
• http://seclists.org/fulldisclosure/2010/Oct/292
• http://seclists.org/fulldisclosure/2010/Oct/294
• http://secunia.com/advisories/42787
• http://security.gentoo.org/glsa/glsa-201011-01.xml
• http://sourceware.org/ml/libc-hacker/2010-10/msg00007.html
• http://support.avaya.com/css/P8/documents/100120941
• http://www.debian.org/security/2010/dsa-2122
• http://www.kb.cert.org/vuls/id/537223
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:207
• http://www.redhat.com/support/errata/RHSA-2010-0872.html
• http://www.securityfocus.com/archive/1/515545/100/0/threaded
• http://www.securityfocus.com/bid/44154
• http://www.ubuntu.com/usn/USN-1009-1
• http://www.vmware.com/security/advisories/VMSA-2011-0001.html
• http://www.vupen.com/english/advisories/2011/0025
• https://bugzilla.redhat.com/show_bug.cgi?id=643306
• https://lists.opensuse.org/opensuse-security-announce/2010-10/msg00007.html
• https://rhn.redhat.com/errata/RHSA-2010-0787.html
• https://www.exploit-db.com/exploits/44024/
• https://www.exploit-db.com/exploits/44025/

Affected products (55)

• cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.00:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.01:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.02:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.03:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.04:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.05:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.06:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.07:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.08:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.09:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:1.09.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.3.10:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.9:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.10:*:*:*:*:*:*:*

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