High severity7.5NVD Advisory· Published Sep 19, 2017· Updated May 13, 2026
CVE-2017-12837
CVE-2017-12837
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- Range: 5 before 5.24.3-RC1, 5.26.x before 5.26.1-RC1
- osv-coords8 versionspkg:rpm/opensuse/perl&distro=openSUSE%20Tumbleweedpkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/perl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3
< 5.34.0-1.1+ 7 more
- (no CPE)range: < 5.34.0-1.1
- (no CPE)range: < 5.18.2-12.3.1
- (no CPE)range: < 5.18.2-12.3.1
- (no CPE)range: < 5.18.2-12.3.1
- (no CPE)range: < 5.18.2-12.3.1
- (no CPE)range: < 5.18.2-12.3.1
- (no CPE)range: < 5.18.2-12.3.1
- (no CPE)range: < 5.18.2-12.3.1
Patches
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
9- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party AdvisoryVDB Entry
- perl5.git.perl.org/perl.git/commitdiff/96c83ed78aeea1a0496dd2b2d935869a822dc8a5nvdPatchVendor Advisory
- www.securityfocus.com/bid/100860nvdThird Party AdvisoryVDB Entry
- perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1nvdRelease NotesVendor Advisory
- perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1nvdRelease NotesVendor Advisory
- www.debian.org/security/2017/dsa-3982nvd
- rt.perl.org/Public/Bug/Display.htmlnvd
- security.netapp.com/advisory/ntap-20180426-0001/nvd
- www.oracle.com/security-alerts/cpujul2020.htmlnvd
News mentions
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