VULNERABILITY INTELLIGENCE

CVE-2022-1586

CVSS score9.1 CRITICAL
EPSS probability3.37%
CISA KEVNot currently listed
Published2022-05-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Description

An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references