CVE-2022-1586

Name: CVE-2022-1586
Creator: NVD / NIST
Published: 2022-05-16T21:15:07.793+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 2.99%

Last modified Jun 17, 2026

CVE-2022-1586 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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. EPSS estimates a 2.99% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS Probability

2.99%

85.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Pcre	Pcre2	< 10.40
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux	9.0
Netapp	Active Iq Unified Manager	All versions
Netapp	Hci Management Node	All versions
Netapp	Ontap Select Deploy Administration Utility	All versions
Netapp	Solidfire	All versions
Netapp	H300s Firmware	All versions
Netapp	H500s Firmware	All versions
Netapp	H700s Firmware	All versions
Netapp	H410s Firmware	All versions
Netapp	H410c Firmware	All versions
Debian	Debian Linux	10.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=2077976%2CBroken Link, Issue Tracking
https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a%2CBroken Link
https://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676cPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00014.htmlMailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2GLQQUEY5VFM57CFYXVIFOXN2HUZPDM/Mailing List
https://security.netapp.com/advisory/ntap-20221028-0009/Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2077976Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2077976%2CBroken Link, Issue Tracking
https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55aPatch
https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a%2CBroken Link
https://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676cPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00014.htmlMailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2GLQQUEY5VFM57CFYXVIFOXN2HUZPDM/Mailing List
https://security.netapp.com/advisory/ntap-20221028-0009/Third Party Advisory

Timeline

Published: May 16, 2022
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2022-1586?

How severe is CVE-2022-1586?

CVE-2022-1586 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 2.99% probability of exploitation in the next 30 days.

How do I fix CVE-2022-1586?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-1586?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST