Bug 2531747 (CVE-2026-89161) - CVE-2026-89161 pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match
Summary: CVE-2026-89161 pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match
Keywords:
Status: NEW
Alias: CVE-2026-89161
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2531882 2531884 2531883 2531885 2531886
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-11 04:21 UTC by OSIDB Bzimport
Modified: 2026-10-27 22:04 UTC (History)
21 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2026:81842 0 None None None 2026-10-13 04:29:20 UTC
Red Hat Product Errata RHBA-2026:82863 0 None None None 2026-10-14 10:57:58 UTC
Red Hat Product Errata RHBA-2026:82874 0 None None None 2026-10-14 11:08:08 UTC
Red Hat Product Errata RHBA-2026:82905 0 None None None 2026-10-14 13:54:46 UTC
Red Hat Product Errata RHBA-2026:82950 0 None None None 2026-10-14 14:28:40 UTC
Red Hat Product Errata RHBA-2026:83081 0 None None None 2026-10-14 16:33:01 UTC
Red Hat Product Errata RHBA-2026:83559 0 None None None 2026-10-15 11:49:24 UTC
Red Hat Product Errata RHBA-2026:85196 0 None None None 2026-10-19 14:03:14 UTC
Red Hat Product Errata RHBA-2026:86043 0 None None None 2026-10-20 16:56:36 UTC
Red Hat Product Errata RHSA-2026:81522 0 None None None 2026-10-12 21:30:33 UTC
Red Hat Product Errata RHSA-2026:81532 0 None None None 2026-10-12 22:26:53 UTC
Red Hat Product Errata RHSA-2026:82845 0 None None None 2026-10-14 09:33:04 UTC
Red Hat Product Errata RHSA-2026:82875 0 None None None 2026-10-14 15:05:30 UTC
Red Hat Product Errata RHSA-2026:82876 0 None None None 2026-10-14 13:54:58 UTC
Red Hat Product Errata RHSA-2026:84799 0 None None None 2026-10-19 11:14:53 UTC
Red Hat Product Errata RHSA-2026:86205 0 None None None 2026-10-20 21:50:31 UTC
Red Hat Product Errata RHSA-2026:89197 0 None None None 2026-10-27 22:04:16 UTC
Red Hat Product Errata RHSA-2026:89232 0 None None None 2026-10-27 11:59:15 UTC
Red Hat Product Errata RHSA-2026:89333 0 None None None 2026-10-27 11:59:58 UTC
Red Hat Product Errata RHSA-2026:89651 0 None None None 2026-10-27 12:21:29 UTC
Red Hat Product Errata RHSA-2026:89725 0 None None None 2026-10-27 14:09:51 UTC
Red Hat Product Errata RHSA-2026:89838 0 None None None 2026-10-27 16:03:49 UTC

Description OSIDB Bzimport 2026-09-11 04:21:31 UTC 
In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.
Comment 3 Jon Orris 2026-10-12 21:30:30 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:81522 https://access.redhat.com/errata/RHSA-2026:81522
Comment 4 Jon Orris 2026-10-12 22:26:51 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:81532 https://access.redhat.com/errata/RHSA-2026:81532
Comment 5 Jon Orris 2026-10-14 09:33:01 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:82845 https://access.redhat.com/errata/RHSA-2026:82845
Comment 6 Jon Orris 2026-10-14 13:54:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:82876 https://access.redhat.com/errata/RHSA-2026:82876
Comment 7 Jon Orris 2026-10-14 15:05:28 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:82875 https://access.redhat.com/errata/RHSA-2026:82875
Comment 12 Jon Orris 2026-10-19 11:14:51 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:84799 https://access.redhat.com/errata/RHSA-2026:84799
Comment 13 Jon Orris 2026-10-20 21:50:29 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:86205 https://access.redhat.com/errata/RHSA-2026:86205
Comment 15 Jon Orris 2026-10-27 11:59:13 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.21

Via RHSA-2026:89232 https://access.redhat.com/errata/RHSA-2026:89232
Comment 16 Jon Orris 2026-10-27 11:59:56 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.20

Via RHSA-2026:89333 https://access.redhat.com/errata/RHSA-2026:89333
Comment 17 Jon Orris 2026-10-27 12:21:27 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.19

Via RHSA-2026:89651 https://access.redhat.com/errata/RHSA-2026:89651
Comment 18 Jon Orris 2026-10-27 14:09:49 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.18

Via RHSA-2026:89725 https://access.redhat.com/errata/RHSA-2026:89725
Comment 19 Jon Orris 2026-10-27 16:03:47 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.14

Via RHSA-2026:89838 https://access.redhat.com/errata/RHSA-2026:89838
Comment 20 Jon Orris 2026-10-27 22:04:14 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.22

Via RHSA-2026:89197 https://access.redhat.com/errata/RHSA-2026:89197
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