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Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a '\N{}' escape and the case-insensitive modifier.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade perl | Oct 25, 2017 | Sep 19, 2017 |
| Apple Osx Perl | — | Apply OS X security update 2017-002 Sierra | Oct 3, 2018 | Sep 19, 2017 |
| Debian | — | Upgrade perl | Dec 5, 2017 | Sep 19, 2017 |
| Freebsd | — | Upgrade perl5 | Dec 10, 2025 | Sep 24, 2017 |
| Oracle Solaris | — | Upgrade runtime/perl-522 to version 5.22.1.1-0.175.3.32.0.3.0 on Solaris 11.3 | May 16, 2018 | Sep 19, 2017 |
| Suse | — | Upgrade perlUpgrade perl-32bitUpgrade perl-core-DB_FileUpgrade perl-docUpgrade perl-base-32bitUpgrade perl-base | Nov 27, 2017 | Sep 19, 2017 |
| Ubuntu | — | Upgrade perl | Nov 13, 2017 | Sep 19, 2017 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Sep 19, 2017 |
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