medium
4.3
CWE
20
Advisory Published
CVE Published
Updated

CVE-2018-5161: Input Validation

First published: Fri May 18 2018(Updated: )

Crafted message headers can cause a Thunderbird process to hang on receiving the message.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
redhat/thunderbird<52.8
52.8
debian/thunderbird
1:115.12.0-1~deb11u1
1:115.16.0esr-1~deb11u1
1:115.12.0-1~deb12u1
1:115.16.0esr-1~deb12u1
1:128.2.0esr-1
1:128.3.0esr-1
Red Hat Enterprise Linux Desktop=6.0
Red Hat Enterprise Linux Desktop=7.0
Red Hat Enterprise Linux Server=6.0
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.5
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Workstation=6.0
Red Hat Enterprise Linux Workstation=7.0
Debian=7.0
Debian=8.0
Debian=9.0
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=17.10
Ubuntu=18.04
Thunderbird<52.8.0
Mozilla Thunderbird<52.8
Thunderbird<52.8
52.8

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2018-5161?

    CVE-2018-5161 is a vulnerability that allows crafted message headers to cause a Thunderbird process to hang on receiving the message.

  • Which versions of Thunderbird are affected by CVE-2018-5161?

    Thunderbird ESR < 52.8 and Thunderbird < 52.8 are affected by CVE-2018-5161.

  • What is the severity of CVE-2018-5161?

    CVE-2018-5161 has a severity level of medium (4) according to the CVSS scoring system.

  • How can I fix CVE-2018-5161?

    To fix CVE-2018-5161, update Thunderbird to version 52.8 or higher.

  • Where can I find more information about CVE-2018-5161?

    More information about CVE-2018-5161 can be found at the following references: [https://bugzilla.mozilla.org/show_bug.cgi?id=1411720](https://bugzilla.mozilla.org/show_bug.cgi?id=1411720), [https://www.mozilla.org/en-US/security/advisories/mfsa2018-13/](https://www.mozilla.org/en-US/security/advisories/mfsa2018-13/), [http://www.securitytracker.com/id/1040946](http://www.securitytracker.com/id/1040946).

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