CVE-2023-4874: Undefined Behavior for Input to API in Mutt

Published Sep 9, 2023
·
Updated

Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12

Affected Software

14 affected componentsFixes available
debian/mutt<=1.10.1-2.1+deb10u6
1.10.1-2.1+deb10u72.0.5-4.1+deb11u32.2.12-0.1~deb12u12.2.9-1+deb12u12.2.12-0.1
ubuntu/mutt<2.2.12-0.1
2.2.12-0.1
ubuntu/mutt<1.9.4-3ubuntu0.6+
1.9.4-3ubuntu0.6+
ubuntu/mutt<1.13.2-1ubuntu0.6
1.13.2-1ubuntu0.6
ubuntu/mutt<2.1.4-1ubuntu1.2
2.1.4-1ubuntu1.2
ubuntu/mutt<2.2.9-1ubuntu0.23.04.1
2.2.9-1ubuntu0.23.04.1
ubuntu/mutt<1.5.24-1ubuntu0.6+
1.5.24-1ubuntu0.6+
ubuntu/mutt<2.2.9-1ubuntu0.23.10.1
2.2.9-1ubuntu0.23.10.1
debian/mutt<=2.0.5-4.1+deb11u2, <=2.0.5-4.1, <=2.2.9-1
2.2.9-1+deb12u12.2.12-0.12.0.5-4.1+deb11u3
redhat/mutt<2.2.12
2.2.12
Mutt Mutt>1.5.2<2.2.12
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Debian Debian Linux=12.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 1.10.1-2.1+deb10u7Fixed in 2.0.5-4.1+deb11u3Fixed in 2.2.12-0.1~deb12u1Fixed in 2.2.9-1+deb12u1Fixed in 2.2.12-0.1
  2. Upgrade

    Upgrade ubuntu/mutt to a version that resolves this vulnerability.

    Fixed in 2.2.12-0.1
  3. Upgrade

    Upgrade ubuntu/mutt to a version that resolves this vulnerability.

    Fixed in 1.9.4-3ubuntu0.6+
  4. Upgrade

    Upgrade ubuntu/mutt to a version that resolves this vulnerability.

    Fixed in 1.13.2-1ubuntu0.6
  5. Upgrade

    Upgrade ubuntu/mutt to a version that resolves this vulnerability.

    Fixed in 2.1.4-1ubuntu1.2
  6. Upgrade

    Upgrade ubuntu/mutt to a version that resolves this vulnerability.

    Fixed in 2.2.9-1ubuntu0.23.04.1
  7. Upgrade

    Upgrade ubuntu/mutt to a version that resolves this vulnerability.

    Fixed in 1.5.24-1ubuntu0.6+
  8. Upgrade

    Upgrade ubuntu/mutt to a version that resolves this vulnerability.

    Fixed in 2.2.9-1ubuntu0.23.10.1
  9. Upgrade

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

    Fixed in 2.2.9-1+deb12u1Fixed in 2.2.12-0.1Fixed in 2.0.5-4.1+deb11u3
  10. Upgrade

    Upgrade redhat/mutt to a version that resolves this vulnerability.

    Fixed in 2.2.12
  11. Upgrade

    Upgrade mutt to a version that resolves this vulnerability.

    Fixed in 2.2.12

Event History

Sep 9, 2023
CVE Published
12:00 AM
CVE Published
via MITRE·02:30 PM
Data Sourced
via MITRE·02:30 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software
Oct 10, 2023
Data Sourced
10:51 AM
Description

Parent advisories

This vulnerability appears in the following advisories.

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 the vulnerability ID?

The vulnerability ID is CVE-2023-4874.

2

What is the title of the vulnerability?

The title of the vulnerability is 'Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12'.

3

What is the severity of CVE-2023-4874?

The severity of CVE-2023-4874 is medium, with a severity value of 6.5.

4

How does CVE-2023-4874 affect Mutt?

CVE-2023-4874 affects Mutt versions >1.5.2 and <2.2.12.

5

How do I fix CVE-2023-4874?

To fix CVE-2023-4874, update Mutt to version 2.2.12 or later.

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