RHSA-2026:95371: Important: pcre2 security update

Published Nov 5, 2026
·
Updated

Important: pcre2 security update

Other sources

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 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.

— Red Hat

Affected Software

25 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian
redhat/pcre2<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-debuginfo<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-debuginfo<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-devel<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-devel<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-static<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-static<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-tools<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-utf16<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-utf16<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-utf32<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-utf32<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-tools<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-debuginfo<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-devel<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-static<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-tools<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-utf16<10.23-3.el7_9
10.23-3.el7_9
redhat/pcre2-utf32<10.23-3.el7_9
10.23-3.el7_9

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/pcre2 to a version that resolves this vulnerability.

    Fixed in 10.23-3.el7_9
  2. Upgrade

    Upgrade redhat/pcre2-debuginfo to a version that resolves this vulnerability.

    Fixed in 10.23-3.el7_9
  3. Upgrade

    Upgrade redhat/pcre2-devel to a version that resolves this vulnerability.

    Fixed in 10.23-3.el7_9
  4. Upgrade

    Upgrade redhat/pcre2-static to a version that resolves this vulnerability.

    Fixed in 10.23-3.el7_9
  5. Upgrade

    Upgrade redhat/pcre2-tools to a version that resolves this vulnerability.

    Fixed in 10.23-3.el7_9
  6. Upgrade

    Upgrade redhat/pcre2-utf16 to a version that resolves this vulnerability.

    Fixed in 10.23-3.el7_9
  7. Upgrade

    Upgrade redhat/pcre2-utf32 to a version that resolves this vulnerability.

    Fixed in 10.23-3.el7_9

Event History

Nov 5, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·01:05 AM
Data Sourced
via Red Hat·01:05 AM
Severity

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