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CVE-2007-4768

UnknownEPSS 4.10%

Last modified

CVE-2007-4768 is a vulnerability of currently unknown severity. Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.. EPSS estimates a 4.10% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.

Metrics

EPSS Probability
4.10%

89.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PcrePcre<= 6.0
PcrePcre<= 6.1
PcrePcre<= 7.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2007-4768?
Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.
How severe is CVE-2007-4768?
Severity scoring for CVE-2007-4768 is pending analysis. The EPSS model estimates a 4.10% probability of exploitation in the next 30 days.
How do I fix CVE-2007-4768?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2007-4768?

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Source: NVD / NIST