CVE-2020-12723

perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS

Published Jun 5, 2020 CVSS 3.1 · 7.5 High EPSS 6.0% KEV · Not listed
Description
regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-5011 regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.
Ubuntu USN Ubuntu USN USN-4602-1 Perl vulnerabilities
Ubuntu USN Ubuntu USN USN-4602-2 Perl vulnerabilities
Weaknesses
  • CWE-120

    Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

  • CWE-185

    Incorrect Regular Expression

  • CWE-20

    Improper Input Validation

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 14, 2026, 9:06 AM
Reserved
May 8, 2020, 12:00 AM
Status
Modified
Published
Jun 5, 2020, 3:15 PM
Modified
Oct 14, 2026, 10:17 AM
Severity
Moderate
Public date
Jun 2, 2020, 12:00 AM