CVE-2018-18314

Related Vulnerabilities: CVE-2018-18314  

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

The MITRE CVE dictionary describes this issue as:

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

Find out more about CVE-2018-18314 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

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

Red Hat Security Errata

Platform Errata Release Date
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-perl524-perl) RHSA-2019:0010 2019-01-02
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-perl526-perl) RHSA-2019:0001 2019-01-02
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-perl524-perl) RHSA-2019:0010 2019-01-02

Affected Packages State

Platform Package State
Red Hat OpenShift Enterprise 3 perl Not affected
Red Hat Enterprise Linux 7 perl Not affected
Red Hat Enterprise Linux 6 perl Not affected
Red Hat Enterprise Linux 5 perl Not affected

Acknowledgements

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