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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.36% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.5% of scored records. A rank, not a probability.
- NVD base score
- 9.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-05-16 00:00Z4 YR AGO
- Last updated
- 2025-03-06 08:18Z1 YR AGO
- Reserved
- 2022-05-05
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-125Out-of-bounds ReadBase
- Data version
- 5.1
- Document digest
- efeb1d2ad6fa6050ed08d09ff8ccc573c55fa6523e014fcade956379ade3cd64
05 Affected products
06 References
- lists.fedoraproject.orgFEDORA-2022-e56085ba31https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2GLQQUEY5VFM57CFYXVIFOXN2HUZPDM/
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2077976%2C
- github.comhttps://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a%2C
- github.comhttps://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676c
- lists.fedoraproject.orgFEDORA-2022-a3edad0ab6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB/
- lists.fedoraproject.orgFEDORA-2022-19f4c34184https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ/
- lists.fedoraproject.orgFEDORA-2022-9c9691d058https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA/
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20221028-0009/
- lists.debian.org[debian-lts-announce] 20230316 [SECURITY] [DLA 3363-1] pcre2 security updatehttps://lists.debian.org/debian-lts-announce/2023/03/msg00014.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2077976
- github.comhttps://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a
07 Fixed in
AlmaLinux 8
- pcre2 Fixed in 10.32-3.el8_6
- pcre2-devel Fixed in 10.32-3.el8_6
- pcre2-tools Fixed in 10.32-3.el8_6
- pcre2-utf16 Fixed in 10.32-3.el8_6
- pcre2-utf32 Fixed in 10.32-3.el8_6
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- pcre2 Fixed in 10.32-3.el8_6
- pcre2-devel Fixed in 10.32-3.el8_6
- pcre2-tools Fixed in 10.32-3.el8_6
- pcre2-utf16 Fixed in 10.32-3.el8_6
- pcre2-utf32 Fixed in 10.32-3.el8_6
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- pcre2 Fixed in 10.40-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- pcre2 Fixed in 10.40-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- pcre2 Fixed in 10.40-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- pcre2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- pcre2 Fixed in 10.34-7ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- pcre2 Fixed in 10.39-3ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- pcre2 Fixed in 10.31-2ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.