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CVE-2007-4767

Perl-Compatible Regular Expression (PCRE) library before 7.3 does not properly compute the length of (1) a \p sequence, (2) a \P sequence,…

Medium5.0EPSS 5.1%
Published
Updated
Reserved
Assigned by
mitre

Description

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.

Scores

CVSS scores of CVE-2007-4767, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium5.0AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS (exploitation in 30 days)
5.1% · top 7.7% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

  • n/a

Affected products

  • n/a

    • affected n/a

References (44)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .