HOMEVULNERABILITIESCVE-2022-1586
CRITICAL

CVE-2022-1586

CWE-125Published: May 16, 2022· Updated: Jun 17, 2026

9.1
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-1586 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
Fedora1 product(s)
fedora
netapp14 product(s)
active iq unified managerhci management nodeontap select deploy administration utilitysolidfireh300s firmwareh300sh500s firmwareh500sh700s firmwareh700sh410s firmwareh410s+2
pcre1 product(s)
pcre2
Red Hat1 product(s)
enterprise linux
Source: NVD CPE · 20 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676c
PATCHhttps://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a
PATCHhttps://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676c
ADVISORYhttps://security.netapp.com/advisory/ntap-20221028-0009/
ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=2077976
ADVISORYhttps://security.netapp.com/advisory/ntap-20221028-0009/

All References (20)

→
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

Quick Facts

CVE IDCVE-2022-1586
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-125
CISA KEVNo
Affected5 vendor(s)
PublishedMay 16, 2022

Related CVEs (CWE-125)

CVE-2009-2523
10.0
CVE-2021-21777
10.0
CVE-2021-41556
10.0
CVE-2017-14451
10.0
CVE-2013-0767
10.0
CVE-2026-34987
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-1586 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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