CVE-2018-18512: Use After Free

Published Jan 29, 2019
·
Updated

A use-after-free vulnerability can occur while playing a sound notification in Thunderbird. The memory storing the sound data is immediately freed, although the sound is still being played asynchronously, leading to a potentially exploitable crash.

Affected Software

3 affected componentsFixes available
Mozilla Thunderbird<60.5
60.5
Mozilla Thunderbird<65.0
debian/thunderbird
1:140.12.0esr-1~deb12u11:153.6.0esr-1~deb12u11:140.12.0esr-1~deb13u11:153.5.1esr-1~deb13u21:153.5.0esr-11:153.6.0esr-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 60.5
  2. Upgrade

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

    Fixed in 60.5
  3. Upgrade

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

    Fixed in 1:140.12.0esr-1~deb12u1Fixed in 1:153.6.0esr-1~deb12u1Fixed in 1:140.12.0esr-1~deb13u1Fixed in 1:153.5.1esr-1~deb13u2Fixed in 1:153.5.0esr-1Fixed in 1:153.6.0esr-1

Event History

Jan 29, 2019
CVE Published
12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Apr 26, 2019
CVE Published
via MITRE·04:13 PM
Data Sourced
via MITRE·04:13 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2018-18512?

CVE-2018-18512 is a use-after-free vulnerability that can occur while playing a sound notification in Thunderbird.

2

How does the use-after-free vulnerability in CVE-2018-18512 occur?

The use-after-free vulnerability in CVE-2018-18512 occurs when the memory storing the sound data is immediately freed while the sound is still being played asynchronously.

3

What is the potential impact of CVE-2018-18512?

CVE-2018-18512 can lead to a potentially exploitable crash in Thunderbird.

4

Which versions of Thunderbird are affected by CVE-2018-18512?

Thunderbird versions < 60.5 are affected by CVE-2018-18512.

5

How can I mitigate the vulnerability in CVE-2018-18512?

To mitigate the vulnerability in CVE-2018-18512, update Thunderbird to version 60.5 or higher.

Contact

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