Alerts This Week
Warning Icon 1 727
Alerts This Week
Warning Icon 1 727

Red Hat 8 RHSA-2021:4373 Low Impact: PCRE Buffer Over-Read Issue

red hat
Calendar Grey November 9, 2021
Dist Redhat Esm H88
Oracle's latest notice regarding a small mysql enhancement outlines patch implementations and the impacted systems
An update for pcre is now available for Red Hat Enterprise Linux 8

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

Summary

PCRE is a Perl-compatible regular expression library.
Security Fix(es):
* pcre: Buffer over-read in JIT when UTF is disabled and \X or \R has fixed quantifier greater than 1 (CVE-2019-20838)
* pcre: Integer overflow when parsing callout numeric arguments (CVE-2020-14155)
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 8.5 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory Red Hat integer overflow low impact pcre buffer over-read

References

https://access.redhat.com/security/cve/CVE-2019-20838 https://access.redhat.com/security/cve/CVE-2020-14155 https://access.redhat.com/security/updates/classification#low https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.5_release_notes/index

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: pcre-8.42-6.el8.src.rpm
aarch64: pcre-8.42-6.el8.aarch64.rpm pcre-cpp-8.42-6.el8.aarch64.rpm pcre-cpp-debuginfo-8.42-6.el8.aarch64.rpm pcre-debuginfo-8.42-6.el8.aarch64.rpm pcre-debugsource-8.42-6.el8.aarch64.rpm pcre-devel-8.42-6.el8.aarch64.rpm pcre-tools-debuginfo-8.42-6.el8.aarch64.rpm pcre-utf16-8.42-6.el8.aarch64.rpm pcre-utf16-debuginfo-8.42-6.el8.aarch64.rpm pcre-utf32-8.42-6.el8.aarch64.rpm pcre-utf32-debuginfo-8.42-6.el8.aarch64.rpm
ppc64le: pcre-8.42-6.el8.ppc64le.rpm pcre-cpp-8.42-6.el8.ppc64le.rpm pcre-cpp-debuginfo-8.42-6.el8.ppc64le.rpm pcre-debuginfo-8.42-6.el8.ppc64le.rpm pcre-debugsource-8.42-6.el8.ppc64le.rpm pcre-devel-8.42-6.el8.ppc64le.rpm pcre-tools-debuginfo-8.42-6.el8.ppc64le.rpm pcre-utf16-8.42-6.el8.ppc64le.rpm pcre-utf16-debuginfo-8.42-6.el8.ppc64le.rpm pcre-utf32-8.42-6.el8.ppc64le.rpm pcre-utf32-debuginfo-8.42-6.el8.ppc64le.rpm
s390x: pcre-8.42-6.el8.s390x.rpm pcre-cpp-8.42-6.el8.s390x.rpm pcre-cpp-debuginfo-8.42-6.el8.s390x.rpm pcre-debuginfo-8.42-6.el8.s390x.rpm pcre-debugsource-8.42-6.el8.s390x.rpm pcre-devel-8.42-6.el8.s390x.rpm pcre-tools-debuginfo-8.42-6.el8.s390x.rpm pcre-utf16-8.42-6.el8.s390x.rpm pcre-utf16-debuginfo-8.42-6.el8.s390x.rpm pcre-utf32-8.42-6.el8.s390x.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:4373-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4373
Issue date: 2021-11-09

Topic

An update for pcre is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat integer overflow low impact pcre buffer over-read

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1848436 - CVE-2020-14155 pcre: Integer overflow when parsing callout numeric arguments

1848444 - CVE-2019-20838 pcre: Buffer over-read in JIT when UTF is disabled and \X or \R has fixed quantifier greater than 1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here