Critical severity9.1NVD Advisory· Published Sep 19, 2017· Updated Jun 17, 2026
CVE-2017-12883
CVE-2017-12883
Description
Buffer overflow in the S_grok_bslash_N 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 disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*range: <=5.24.2
- cpe:2.3:a:perl:perl:5.26.0:*:*:*:*:*:*:*
- (no CPE)range: <5.24.3-RC1 and <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
References
10- mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patchnvdPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party AdvisoryVDB Entry
- perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300fnvdPatchVendor Advisory
- www.securityfocus.com/bid/100852nvdThird 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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