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Medium RLSA-2020:4539 1 CVE

Moderate: pcre2 security and enhancement update

Published Nov 3, 2020 · Updated Feb 5, 2026

Summary

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 Rocky Linux 8.3 Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 pcre2 0:10.32-2.el8

Vulnerabilities 1

  • Medium 5.1

    An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match special…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1735494
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1822698