Back
CVE-2017-12883
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…
Critical9.1EPSS 5.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 5.9% · top 6.8% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.
Weakness
Affected products
n/a
- affected n/a
References (10)
- DSA-3982 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 100852 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.oracle.com/security-alerts/cpujul2020.html (opens in a new tab)x_refsource_MISCx_transferred
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.netapp.com/advisory/ntap-20180426-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1492093 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://rt.perl.org/Public/Bug/Display.html?id=131598 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2017-12883)Record last updated .