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CVE-2007-4767

MEDIUM · CVSS 5.0EPSS 5.1%EU EUVD

Perl-Compatible Regular Expression (PCRE) library before 7.3 does not properly compute the length of (1) a \p sequence, (2) a \P sequence, or (3) a \P{x} sequence, which allows context-dependent attackers to cause a denial of service (infinite loop or crash) or execute arbitrary code.

Key facts

CVSS score
5.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score
5.1% (92th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2007-4748)
Published
November 7, 2007
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-4748 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • pcre / pcre

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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