Red Hat Security Advisory 2020-4539-01 - The pcre2 package contains a new generation of the Perl Compatible Regular Expression libraries for implementing regular expression pattern matching using the same syntax and semantics as Perl. Issues addressed include an out of bounds read vulnerability.
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Red Hat Security Advisory
Synopsis: Moderate: pcre2 security and enhancement update
Advisory ID: RHSA-2020:4539-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4539
Issue date: 2020-11-03
CVE Names: CVE-2019-20454
====================================================================
1. Summary:
An update for pcre2 is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
The pcre2 package contains a new generation of the Perl Compatible Regular
Expression libraries for implementing regular expression pattern matching
using the same syntax and semantics as Perl.
Security Fix(es):
* pcre: Out of bounds read in JIT mode when \X is used in non-UTF mode
(CVE-2019-20454)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.3 Release Notes linked from the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1735494 - CVE-2019-20454 pcre: Out of bounds read in JIT mode when \X is used in non-UTF mode
1822698 - Add pcre2-tools package to CodeReady Builder repository
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
pcre2-10.32-2.el8.src.rpm
aarch64:
pcre2-10.32-2.el8.aarch64.rpm
pcre2-debuginfo-10.32-2.el8.aarch64.rpm
pcre2-debugsource-10.32-2.el8.aarch64.rpm
pcre2-devel-10.32-2.el8.aarch64.rpm
pcre2-tools-debuginfo-10.32-2.el8.aarch64.rpm
pcre2-utf16-10.32-2.el8.aarch64.rpm
pcre2-utf16-debuginfo-10.32-2.el8.aarch64.rpm
pcre2-utf32-10.32-2.el8.aarch64.rpm
pcre2-utf32-debuginfo-10.32-2.el8.aarch64.rpm
ppc64le:
pcre2-10.32-2.el8.ppc64le.rpm
pcre2-debuginfo-10.32-2.el8.ppc64le.rpm
pcre2-debugsource-10.32-2.el8.ppc64le.rpm
pcre2-devel-10.32-2.el8.ppc64le.rpm
pcre2-tools-debuginfo-10.32-2.el8.ppc64le.rpm
pcre2-utf16-10.32-2.el8.ppc64le.rpm
pcre2-utf16-debuginfo-10.32-2.el8.ppc64le.rpm
pcre2-utf32-10.32-2.el8.ppc64le.rpm
pcre2-utf32-debuginfo-10.32-2.el8.ppc64le.rpm
s390x:
pcre2-10.32-2.el8.s390x.rpm
pcre2-debuginfo-10.32-2.el8.s390x.rpm
pcre2-debugsource-10.32-2.el8.s390x.rpm
pcre2-devel-10.32-2.el8.s390x.rpm
pcre2-tools-debuginfo-10.32-2.el8.s390x.rpm
pcre2-utf16-10.32-2.el8.s390x.rpm
pcre2-utf16-debuginfo-10.32-2.el8.s390x.rpm
pcre2-utf32-10.32-2.el8.s390x.rpm
pcre2-utf32-debuginfo-10.32-2.el8.s390x.rpm
x86_64:
pcre2-10.32-2.el8.i686.rpm
pcre2-10.32-2.el8.x86_64.rpm
pcre2-debuginfo-10.32-2.el8.i686.rpm
pcre2-debuginfo-10.32-2.el8.x86_64.rpm
pcre2-debugsource-10.32-2.el8.i686.rpm
pcre2-debugsource-10.32-2.el8.x86_64.rpm
pcre2-devel-10.32-2.el8.i686.rpm
pcre2-devel-10.32-2.el8.x86_64.rpm
pcre2-tools-debuginfo-10.32-2.el8.i686.rpm
pcre2-tools-debuginfo-10.32-2.el8.x86_64.rpm
pcre2-utf16-10.32-2.el8.i686.rpm
pcre2-utf16-10.32-2.el8.x86_64.rpm
pcre2-utf16-debuginfo-10.32-2.el8.i686.rpm
pcre2-utf16-debuginfo-10.32-2.el8.x86_64.rpm
pcre2-utf32-10.32-2.el8.i686.rpm
pcre2-utf32-10.32-2.el8.x86_64.rpm
pcre2-utf32-debuginfo-10.32-2.el8.i686.rpm
pcre2-utf32-debuginfo-10.32-2.el8.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
aarch64:
pcre2-debuginfo-10.32-2.el8.aarch64.rpm
pcre2-debugsource-10.32-2.el8.aarch64.rpm
pcre2-tools-10.32-2.el8.aarch64.rpm
pcre2-tools-debuginfo-10.32-2.el8.aarch64.rpm
pcre2-utf16-debuginfo-10.32-2.el8.aarch64.rpm
pcre2-utf32-debuginfo-10.32-2.el8.aarch64.rpm
ppc64le:
pcre2-debuginfo-10.32-2.el8.ppc64le.rpm
pcre2-debugsource-10.32-2.el8.ppc64le.rpm
pcre2-tools-10.32-2.el8.ppc64le.rpm
pcre2-tools-debuginfo-10.32-2.el8.ppc64le.rpm
pcre2-utf16-debuginfo-10.32-2.el8.ppc64le.rpm
pcre2-utf32-debuginfo-10.32-2.el8.ppc64le.rpm
s390x:
pcre2-debuginfo-10.32-2.el8.s390x.rpm
pcre2-debugsource-10.32-2.el8.s390x.rpm
pcre2-tools-10.32-2.el8.s390x.rpm
pcre2-tools-debuginfo-10.32-2.el8.s390x.rpm
pcre2-utf16-debuginfo-10.32-2.el8.s390x.rpm
pcre2-utf32-debuginfo-10.32-2.el8.s390x.rpm
x86_64:
pcre2-debuginfo-10.32-2.el8.x86_64.rpm
pcre2-debugsource-10.32-2.el8.x86_64.rpm
pcre2-tools-10.32-2.el8.x86_64.rpm
pcre2-tools-debuginfo-10.32-2.el8.x86_64.rpm
pcre2-utf16-debuginfo-10.32-2.el8.x86_64.rpm
pcre2-utf32-debuginfo-10.32-2.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-20454
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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