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CVE-2022-1586

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Date: May 15, 2022

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.

Severity Score

Related Resources (23)

https://access.redhat.com/security/cve/CVE-2022-1586
https://security.alpinelinux.org/vuln/CVE-2022-1586
https://security.netapp.com/advisory/ntap-20221028-0009/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2GLQQUEY5VFM57CFYXVIFOXN2HUZPDM/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ/
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-1586
https://bugzilla.redhat.com/show_bug.cgi?id=2077976%2C
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M2GLQQUEY5VFM57CFYXVIFOXN2HUZPDM/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ/
https://nvd.nist.gov/vuln/detail/CVE-2022-1586
https://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676c
https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a,
https://bugzilla.redhat.com/show_bug.cgi?id=2077976,
https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA/
https://bugzilla.redhat.com/show_bug.cgi?id=2077976
https://security-tracker.debian.org/tracker/CVE-2022-1586
https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB/
https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a%2C
https://www.mend.io/vulnerability-database/CVE-2022-1586

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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