CVE-2022-1586

critical

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.

References

Advisories
More

https://security.netapp.com/advisory/ntap-20221028-0009/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2GLQQUEY5VFM57CFYXVIFOXN2HUZPDM/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA/

https://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676c

https://bugzilla.redhat.com/show_bug.cgi?id=2077976

https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html

https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a%2C

https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a

https://bugzilla.redhat.com/show_bug.cgi?id=2077976%2C

Details

Source: Mitre, NVD

Published: 2022-05-16

Updated: 2025-03-25

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Severity: Critical

EPSS

EPSS: 0.00282