CVE-2022-1586
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.
Key facts
- CVSS score
- 9.1 (v3.1)
- Severity
- CRITICAL
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H- Weakness (CWE)
- CWE-125
- EPSS score
- 3.4% (89th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2022-24876)
- Published
- May 16, 2022
- NVD last modified
- June 17, 2026
- Status
- Analyzed
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2022-24876 in the EU Vulnerability Database. Last updated in EUVD on March 6, 2025.
View on the EU Vulnerability DatabaseAffected products
- debian / debian linux
- fedoraproject / fedora
- fedoraproject / fedora
- netapp / active iq unified manager
- netapp / h300s
- netapp / h300s firmware
- netapp / h410c
- netapp / h410c firmware
- netapp / h410s
- netapp / h410s firmware
- netapp / h500s
- netapp / h500s firmware
- netapp / h700s
- netapp / h700s firmware
- netapp / hci management node
- netapp / ontap select deploy administration utility
- netapp / solidfire
- pcre / pcre2
- redhat / enterprise linux
- redhat / enterprise linux
Certified products that may be affected
31 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux 8 NSS Cryptographic Module - Red Hat, Inc. - FIPS 140 5513 - active
- Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, LLC - FIPS 140 5461 - active
- Red Hat Enterprise Linux 9 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5445 - active
- Red Hat Enterprise Linux 9 libgcrypt - Red Hat, Inc. - FIPS 140 5366 - active
- Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5089 - active
See all 31 in the Security Certifications Explorer.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2077976(Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=2077976%2C(Broken Link, Issue Tracking)
- https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a(Patch)
- 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)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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