CVE-2012-0864

CVE-2012-0864 is a medium-severity vulnerability in Gnu Glibc with a CVSS 2.0 base score of 6.8. 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-189.

Key facts

Description

Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allows context-dependent attackers to bypass the FORTIFY_SOURCE protection mechanism, conduct format string attacks, and write to arbitrary memory via a large number of arguments.

Frequently asked questions

What is CVE-2012-0864?
Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allows context-dependent attackers to bypass the FORTIFY_SOURCE protection mechanism, conduct format string attacks, and write to arbitrary memory via a large number of arguments.
How severe is CVE-2012-0864?
CVE-2012-0864 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2012-0864 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0864?
CVE-2012-0864 affects Gnu Glibc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-0864?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0864 published?
CVE-2012-0864 was published on 2013-05-02 and last updated on 2026-06-16.

References

Affected products (1)

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