CVE-2006-7230

CVE-2006-7230 is a medium-severity vulnerability in Pcre with a CVSS 2.0 base score of 4.3. 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

Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate the amount of memory needed for a compiled regular expression pattern when the (1) -x or (2) -i UTF-8 options change within the pattern, which allows context-dependent attackers to cause a denial of service (PCRE or glibc crash) via crafted regular expressions.

Frequently asked questions

What is CVE-2006-7230?
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate the amount of memory needed for a compiled regular expression pattern when the (1) -x or (2) -i UTF-8 options change within the pattern, which allows context-dependent attackers to cause a denial of service (PCRE or glibc crash) via crafted regular expressions.
How severe is CVE-2006-7230?
CVE-2006-7230 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2006-7230 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-7230?
CVE-2006-7230 affects Pcre. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-7230?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-7230 published?
CVE-2006-7230 was published on 2007-11-15 and last updated on 2026-06-16.

References

Affected products (1)

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