CVE-2013-0242

CVE-2013-0242 is a medium-severity vulnerability in Gnu Glibc with a CVSS 2.0 base score of 5.0. 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-119.

Key facts

Description

Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service (memory corruption and crash) via crafted multibyte characters.

Frequently asked questions

What is CVE-2013-0242?
Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service (memory corruption and crash) via crafted multibyte characters.
How severe is CVE-2013-0242?
CVE-2013-0242 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-0242 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-0242?
CVE-2013-0242 affects Gnu Glibc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-0242?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-0242 published?
CVE-2013-0242 was published on 2013-02-08 and last updated on 2026-06-16.

References

Affected products (1)

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