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.
Published 2017-09-19 18:29:00
Updated 2020-07-15 03:15:18
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2017-12883

Probability of exploitation activity in the next 30 days: 2.03%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 88 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2017-12883

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.4
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:P
10.0
4.9
NIST
9.1
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.9
5.2
NIST

CWE ids for CVE-2017-12883

References for CVE-2017-12883

Products affected by CVE-2017-12883

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