CVE-2017-12883

perl: Buffer over-read in regular expression parser

Published Sep 19, 2017 CVSS 3.0 · 9.1 Critical EPSS 5.9% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-3982-1 perl security update
EUVD EUVD EUVD-2017-4407 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.
Ubuntu USN Ubuntu USN USN-3478-1 Perl vulnerabilities
Ubuntu USN Ubuntu USN USN-3478-2 Perl vulnerability
History

No history.

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer

  • CWE-125

    Out-of-bounds Read

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 6:51 PM
Reserved
Aug 16, 2017, 12:00 AM
Status
Modified
Published
Sep 19, 2017, 6:29 PM
Modified
Jun 17, 2026, 1:04 AM
Severity
Moderate
Public date
Sep 12, 2017, 12:00 AM