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CVE-2022-1586 PCRE2

Affected softwarePCRE2
Severity9.1 Critical CVSS 3.1 2 scores
WeaknessOut-of-bounds read (CWE-125)
Published16 May 2022
Updated17 Jun 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 4 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 3.4% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

9.1 CRITICAL v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 9.1 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H NVD Primary published
CVSS 2.0 6.4 none AV:N/AC:L/Au:N/C:P/I:N/A:P NVD Primary

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update April 2023 ↗ CPU 2023-Q2 Oracle Analytics / Analytics Server (PCRE2) (6.4.0.0.0)
Oracle Critical Patch Update October 2022 ↗ CPU 2022-Q4 Oracle Communications / Signaling (PCRE2) (22.2.1)
Oracle Communications / Signaling (PCRE2) (22.3.0)

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Analytics Analytics Server (PCRE2) 6.4.0.0.0 6.4.0.0.0
Oracle Communications Signaling (PCRE2) 22.2.1 22.2.1 · 22.3.0

Products and versions

13 products, 15 version entries
SourceVendorProductSchemeAffected versions
nvd debian debian linux generic 10.0
nvd fedoraproject fedora generic 35 · 36
nvd netapp active iq unified manager generic any version
nvd netapp h300s firmware generic any version
nvd netapp h410c firmware generic any version
nvd netapp h410s firmware generic any version
nvd netapp h500s firmware generic any version
nvd netapp h700s firmware generic any version
nvd netapp hci management node generic any version
nvd netapp ontap select deploy administration utility generic any version
nvd netapp solidfire generic any version
nvd pcre pcre2 generic < 10.40
nvd redhat enterprise linux generic 8.0 · 9.0

References

URLTags
https://bugzilla.redhat.com/show_bug.cgi?id=2077976%2C Broken Link, Issue Tracking
https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a%2C Broken Link
https://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676c Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html Mailing 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=2077976 Third Party Advisory

Timeline

Published2022-05-16By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.