RHSA-2026:86206: Important: pcre2 security update

- Issued: - 2026-10-20 - Updated: - 2026-10-20 RHSA-2026:86206 - Security Advisory Synopsis Important: pcre2 security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. Topic An update for pcre2 is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. 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: 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: Affected Products - Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life 8.8 x86_64 - Red Hat Enterprise Linux Server - TUS 8.8 x86_64 - Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le - Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64 Fixes - BZ - 2528993 - CVE-2026-86145 pcre2: PCRE2: Out-of-bounds write allows arbitrary code execution via crafted regular expressions - BZ - 2543797 - CVE-2026-103111 pcre2: pcre2: Out-of-bounds write via crafted regular expression Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life 8.8 | SRPM | | |---|---| | pcre2-10.32-3.el8_8.2.src.rpm | SHA-256: 5513d3716a1fa5068062d87ed06d3733d6bc651dbad83bae8b557718d6d4ee5e | | x86_64 | | | pcre2-10.32-3.el8_8.2.i686.rpm | SHA-256: 951292d3534911bf60c915784da20dfb21e89433ce9b5c9be760963d29c2ebea | | pcre2-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 033fcf8d6914664624474a3397c08d05551a53424b57a99ba0c7a9f2bc31c507 | | pcre2-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: e5be61a329661a61614919533d61f7fcfdbfe4fa8ff7f62951e3bc4fc31ba3b6 | | pcre2-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: ec0baa35c8690ced192aab7f9266512f8811ec68fc144fd9faa58397c87aa09c | | pcre2-debugsource-10.32-3.el8_8.2.i686.rpm | SHA-256: 1052705655fbab3183b4122061b463458e152473fa40ca820f75b40dc7f4b069 | | pcre2-debugsource-10.32-3.el8_8.2.x86_64.rpm | SHA-256: b781596eb6f02170aa6e02bd2ff2492f8137692bd950432c976e33454e587faf | | pcre2-devel-10.32-3.el8_8.2.i686.rpm | SHA-256: 33d9725c039942717525a4a948991228db00c250221b54e007373d80e94a05e1 | | pcre2-devel-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 51edcb6867081e335dabc4127259fb6745481b5317c307e55f51e2738ec0e771 | | pcre2-tools-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: 3e95490c30136f1855916928587fd071a7c81bdc6e95c5882bc6f36c71097f9a | | pcre2-tools-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 2e9491fce685ace5691d597ebeccc26a392550845d3658b88000c1a1734c2667 | | pcre2-utf16-10.32-3.el8_8.2.i686.rpm | SHA-256: 5a94be871b56d460fc5707e34bea08bb53218d76e6c85a8012f4f591f940dc2d | | pcre2-utf16-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 3d47a0451737e9b8c5c1cfa21c6d8f0c87eb73c228022ece622b7dc7402763c1 | | pcre2-utf16-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: 0811afee3d0cc91a212d6b790f5f5ef85836c7cdaa41c1a3abd4067955828bf9 | | pcre2-utf16-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: a87dfdc7c47d33c583f8667113bba05e25d7393e7238fec0f0e27e810f7e3cf8 | | pcre2-utf32-10.32-3.el8_8.2.i686.rpm | SHA-256: 7f531af8d60b41a52e40330d9ba63825b45671bcebedea6533a61e5136bc8809 | | pcre2-utf32-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 978f82bf02606fd7806f0921ae47059286ef87cc8782780fee2c0e82750d8d9f | | pcre2-utf32-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: 58cf45c159d7a755cbb243275d84c718fc1f729522d363460635fbce94b074a6 | | pcre2-utf32-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: d983d951304bffb13e841c233911430a302b724e572c4c3e43dfee735ea8b300 | Red Hat Enterprise Linux Server - TUS 8.8 | SRPM | | |---|---| | pcre2-10.32-3.el8_8.2.src.rpm | SHA-256: 5513d3716a1fa5068062d87ed06d3733d6bc651dbad83bae8b557718d6d4ee5e | | x86_64 | | | pcre2-10.32-3.el8_8.2.i686.rpm | SHA-256: 951292d3534911bf60c915784da20dfb21e89433ce9b5c9be760963d29c2ebea | | pcre2-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 033fcf8d6914664624474a3397c08d05551a53424b57a99ba0c7a9f2bc31c507 | | pcre2-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: e5be61a329661a61614919533d61f7fcfdbfe4fa8ff7f62951e3bc4fc31ba3b6 | | pcre2-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: ec0baa35c8690ced192aab7f9266512f8811ec68fc144fd9faa58397c87aa09c | | pcre2-debugsource-10.32-3.el8_8.2.i686.rpm | SHA-256: 1052705655fbab3183b4122061b463458e152473fa40ca820f75b40dc7f4b069 | | pcre2-debugsource-10.32-3.el8_8.2.x86_64.rpm | SHA-256: b781596eb6f02170aa6e02bd2ff2492f8137692bd950432c976e33454e587faf | | pcre2-devel-10.32-3.el8_8.2.i686.rpm | SHA-256: 33d9725c039942717525a4a948991228db00c250221b54e007373d80e94a05e1 | | pcre2-devel-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 51edcb6867081e335dabc4127259fb6745481b5317c307e55f51e2738ec0e771 | | pcre2-tools-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: 3e95490c30136f1855916928587fd071a7c81bdc6e95c5882bc6f36c71097f9a | | pcre2-tools-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 2e9491fce685ace5691d597ebeccc26a392550845d3658b88000c1a1734c2667 | | pcre2-utf16-10.32-3.el8_8.2.i686.rpm | SHA-256: 5a94be871b56d460fc5707e34bea08bb53218d76e6c85a8012f4f591f940dc2d | | pcre2-utf16-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 3d47a0451737e9b8c5c1cfa21c6d8f0c87eb73c228022ece622b7dc7402763c1 | | pcre2-utf16-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: 0811afee3d0cc91a212d6b790f5f5ef85836c7cdaa41c1a3abd4067955828bf9 | | pcre2-utf16-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: a87dfdc7c47d33c583f8667113bba05e25d7393e7238fec0f0e27e810f7e3cf8 | | pcre2-utf32-10.32-3.el8_8.2.i686.rpm | SHA-256: 7f531af8d60b41a52e40330d9ba63825b45671bcebedea6533a61e5136bc8809 | | pcre2-utf32-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 978f82bf02606fd7806f0921ae47059286ef87cc8782780fee2c0e82750d8d9f | | pcre2-utf32-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: 58cf45c159d7a755cbb243275d84c718fc1f729522d363460635fbce94b074a6 | | pcre2-utf32-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: d983d951304bffb13e841c233911430a302b724e572c4c3e43dfee735ea8b300 | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 | SRPM | | |---|---| | pcre2-10.32-3.el8_8.2.src.rpm | SHA-256: 5513d3716a1fa5068062d87ed06d3733d6bc651dbad83bae8b557718d6d4ee5e | | ppc64le | | | pcre2-10.32-3.el8_8.2.ppc64le.rpm | SHA-256: 90154f99616e0230d6f5ad359bb0bb22430c3a4af2e74bd11b1a40b99bc4e004 | | pcre2-debuginfo-10.32-3.el8_8.2.ppc64le.rpm | SHA-256: bc995a3b3ad8d3c203608b4f550c892b9447ec7b7b7bdb763fa4f5affb38b8ef | | pcre2-debugsource-10.32-3.el8_8.2.ppc64le.rpm | SHA-256: 8e67416f2bdd59c632fa991a3159429e81b9e91fcdf89291c027fb8d5fed8f0f | | pcre2-devel-10.32-3.el8_8.2.ppc64le.rpm | SHA-256: 5136a21f2ba330243f89d91b11524f8f8a19afff04c8c8f7d26fbb66c0bceb25 | | pcre2-tools-debuginfo-10.32-3.el8_8.2.ppc64le.rpm | SHA-256: 8e23caa447dccbf7c1174f2e33a9d5c79002ffd2cc7f3c773d782e9039d52d6b | | pcre2-utf16-10.32-3.el8_8.2.ppc64le.rpm | SHA-256: d68e70b44c19e21fe3895b9cf26b4da9678bf3f252d7ca52be58be69fd7f4b09 | | pcre2-utf16-debuginfo-10.32-3.el8_8.2.ppc64le.rpm | SHA-256: 0ab0fd151010e59434d708f6a00b343a17cbd16e083f80af8681866998b80508 | | pcre2-utf32-10.32-3.el8_8.2.ppc64le.rpm | SHA-256: a3ad3c088d7ae2d3ef10ff23da551e802ca67cf15fa0a31c4d6380b83b3e2a83 | | pcre2-utf32-debuginfo-10.32-3.el8_8.2.ppc64le.rpm | SHA-256: 0b716cfce2401fff68674931e776138d553b1f34fed9d6b6d168d8b5536380f9 | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 | SRPM | | |---|---| | pcre2-10.32-3.el8_8.2.src.rpm | SHA-256: 5513d3716a1fa5068062d87ed06d3733d6bc651dbad83bae8b557718d6d4ee5e | | x86_64 | | | pcre2-10.32-3.el8_8.2.i686.rpm | SHA-256: 951292d3534911bf60c915784da20dfb21e89433ce9b5c9be760963d29c2ebea | | pcre2-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 033fcf8d6914664624474a3397c08d05551a53424b57a99ba0c7a9f2bc31c507 | | pcre2-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: e5be61a329661a61614919533d61f7fcfdbfe4fa8ff7f62951e3bc4fc31ba3b6 | | pcre2-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: ec0baa35c8690ced192aab7f9266512f8811ec68fc144fd9faa58397c87aa09c | | pcre2-debugsource-10.32-3.el8_8.2.i686.rpm | SHA-256: 1052705655fbab3183b4122061b463458e152473fa40ca820f75b40dc7f4b069 | | pcre2-debugsource-10.32-3.el8_8.2.x86_64.rpm | SHA-256: b781596eb6f02170aa6e02bd2ff2492f8137692bd950432c976e33454e587faf | | pcre2-devel-10.32-3.el8_8.2.i686.rpm | SHA-256: 33d9725c039942717525a4a948991228db00c250221b54e007373d80e94a05e1 | | pcre2-devel-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 51edcb6867081e335dabc4127259fb6745481b5317c307e55f51e2738ec0e771 | | pcre2-tools-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: 3e95490c30136f1855916928587fd071a7c81bdc6e95c5882bc6f36c71097f9a | | pcre2-tools-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 2e9491fce685ace5691d597ebeccc26a392550845d3658b88000c1a1734c2667 | | pcre2-utf16-10.32-3.el8_8.2.i686.rpm | SHA-256: 5a94be871b56d460fc5707e34bea08bb53218d76e6c85a8012f4f591f940dc2d | | pcre2-utf16-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 3d47a0451737e9b8c5c1cfa21c6d8f0c87eb73c228022ece622b7dc7402763c1 | | pcre2-utf16-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: 0811afee3d0cc91a212d6b790f5f5ef85836c7cdaa41c1a3abd4067955828bf9 | | pcre2-utf16-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: a87dfdc7c47d33c583f8667113bba05e25d7393e7238fec0f0e27e810f7e3cf8 | | pcre2-utf32-10.32-3.el8_8.2.i686.rpm | SHA-256: 7f531af8d60b41a52e40330d9ba63825b45671bcebedea6533a61e5136bc8809 | | pcre2-utf32-10.32-3.el8_8.2.x86_64.rpm | SHA-256: 978f82bf02606fd7806f0921ae47059286ef87cc8782780fee2c0e82750d8d9f | | pcre2-utf32-debuginfo-10.32-3.el8_8.2.i686.rpm | SHA-256: 58cf45c159d7a755cbb243275d84c718fc1f729522d363460635fbce94b074a6 | | pcre2-utf32-debuginfo-10.32-3.el8_8.2.x86_64.rpm | SHA-256: d983d951304bffb13e841c233911430a302b724e572c4c3e43dfee735ea8b300 | The Red Hat security contact is secalert@redhat.com. 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