RHSA-2026:82845 — Security Advisory
Red Hat Security Advisory: pcre2 security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · October 14, 2026
Updated · November 4, 2026
Topic
An update for pcre2 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. 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.
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):
-
pcre2: PCRE2: Out-of-bounds write allows arbitrary code execution via crafted regular expressions (CVE-2026-86145)
-
pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match (CVE-2026-89161)
-
pcre2: pcre2: Out-of-bounds write via crafted regular expression (CVE-2026-103111)
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.