CVE-2018-6913: Buffer Overflow

Published Apr 17, 2018
·
Updated

Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbitrary code via a large item count.

Other sources

Perl. Multiple issues in Perl were addressed with improved memory handling.

Credit

Brian Carpenter, GwanYeong Kim

Affected Software

16 affected componentsFixes available
Apple macOS High Sierra<10.13.6
10.13.6
Apple Sierra
Apple El Capitan
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Perl Perl<5.26.2
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
F5 BIG-IP=17.5.0, >=17.1.0<=17.1.2
17.5.117.1.3
F5 BIG-IP>=16.1.0<=16.1.6
F5 BIG-IP>=15.1.0<=15.1.10
F5 BIG-IQ Centralized Management>=8.2.0<=8.4.0
debian/perl
5.32.1-4+deb11u35.32.1-4+deb11u55.36.0-7+deb12u35.36.0-7+deb12u25.40.1-65.40.1-8

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade macOS High Sierra to a version that resolves this vulnerability.

    Fixed in 10.13.6
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 17.5.117.1.3
  3. Upgrade

    Upgrade debian/perl to a version that resolves this vulnerability.

    Fixed in 5.32.1-4+deb11u3Fixed in 5.32.1-4+deb11u5Fixed in 5.36.0-7+deb12u3Fixed in 5.36.0-7+deb12u2Fixed in 5.40.1-6Fixed in 5.40.1-8
  4. Upgrade

    Upgrade Perl to a version that resolves this vulnerability.

    Fixed in 5.26.2

Event History

Apr 17, 2018
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description
Data Sourced
via NVD·08:29 PM
DescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:09 PM
Description
Oct 1, 2024
Advisory Published
via F5·09:26 PM
Data Sourced
via F5·09:26 PM
DescriptionSeverityWeaknessAffected Software
Feb 19, 2026
Data Sourced
via Ubuntu·12:13 AM
RemedyDescriptionSeverityAffected Software
Jul 5, 2026
Data Sourced
via Debian·02:49 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2018-6913?

CVE-2018-6913 is a vulnerability in Perl that allows attackers to execute arbitrary code through a heap-based buffer overflow in the pack function.

2

How severe is CVE-2018-6913?

CVE-2018-6913 is classified as critical with a severity rating of 9.8.

3

Which software versions are affected by CVE-2018-6913?

Perl versions before 5.26.2 are affected by CVE-2018-6913.

4

How can I fix CVE-2018-6913?

To fix CVE-2018-6913, update Perl to version 5.26.2 or later.

5

Where can I find more information about CVE-2018-6913?

You can find more information about CVE-2018-6913 on the MITRE CVE database and the Ubuntu security notices.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203
CVE-2018-6913 - Buffer Overflow - SecAlerts