Public Date:
1646734: CVE-2018-18312 perl: Heap-buffer-overflow write / reg_node overrun

The MITRE CVE dictionary describes this issue as:

Perl before 5.26.3 and 5.28.0 before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.

Find out more about CVE-2018-18312 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 7
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Impact Low
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Software Collections for Red Hat Enterprise Linux rh-perl524-perl Affected
Red Hat Software Collections for Red Hat Enterprise Linux rh-perl526-perl Affected
Red Hat OpenShift Enterprise 3 perl Under investigation
Red Hat Enterprise Linux 7 perl Not affected
Red Hat Enterprise Linux 6 perl Not affected
Red Hat Enterprise Linux 5 perl Not affected


Red Hat would like to thank the Perl project for reporting this issue. Upstream acknowledges Eiichi Tsukata as the original reporter.

Last Modified

CVE description copyright © 2017, The MITRE Corporation


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