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CVSS v3.1
N/A
EPSS
1.60%
Published
Dec 3, 2007
Modified
Jun 16, 2026
Public PoC / Exploit
All weaponized →No public PoC or exploit code indexed for this CVE.
Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to cause a denial of service (error or crash) via a regular expression that involves a "malformed POSIX character class", as demonstrated via an invalid character after a [[ sequence.
Weaknesses (CWE)
Affected Products (52)
References (20)
...and 2 more