CVE-2024-8900: High severity Mozilla Firefox ESR vulnerability

Published Aug 6, 2024
·
Updated

An attacker could write data to the user's clipboard, bypassing the user prompt, during a certain sequence of navigational events.

Affected Software

8 affected componentsFixes available
Mozilla Firefox ESR<128.3
128.3
Mozilla Firefox<129.0
debian/thunderbird<1:128.3.0esr-1
1:128.3.0esr-1
debian/thunderbird<1:128.3.0esr-1
1:128.3.0esr-1
debian/firefox
159.0-1
debian/thunderbird
1:140.12.0esr-1~deb12u11:153.6.0esr-1~deb12u21:140.12.0esr-1~deb13u11:153.6.0esr-1~deb13u11:153.5.0esr-11:153.6.0esr-1
Mozilla Firefox<129
129
Mozilla Thunderbird<128.3
128.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 128.3
  2. Upgrade

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

    Fixed in 1:128.3.0esr-1
  3. Upgrade

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

    Fixed in 159.0-1
  4. 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~deb12u2Fixed in 1:140.12.0esr-1~deb13u1Fixed in 1:153.6.0esr-1~deb13u1Fixed in 1:153.5.0esr-1Fixed in 1:153.6.0esr-1
  5. Upgrade

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

    Fixed in 129
  6. Upgrade

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

    Fixed in 128.3

Event History

Aug 6, 2024
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Sep 17, 2024
CVE Published
via MITRE·06:14 PM
Data Sourced
via MITRE·06:14 PM
DescriptionWeakness
Data Sourced
via OSV·07:15 PM
DescriptionSeverity
Data Sourced
via OSV·07:15 PM
Affected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2024-8900?

CVE-2024-8900 is considered a medium severity vulnerability due to its potential to compromise user privacy.

2

How do I fix CVE-2024-8900?

To fix CVE-2024-8900, update Mozilla Firefox, Thunderbird, or Firefox ESR to the latest version recommended by Mozilla.

3

What versions are affected by CVE-2024-8900?

CVE-2024-8900 affects Mozilla Firefox versions prior to 129, Thunderbird versions prior to 128.3, and Firefox ESR prior to 128.3.

4

What type of attack does CVE-2024-8900 enable?

CVE-2024-8900 allows attackers to write data to a user's clipboard without their knowledge during specific navigational events.

5

Is there a workaround for CVE-2024-8900?

There is no known workaround for CVE-2024-8900; the best mitigation is to update to the latest version of the affected software.

Company

Resources

Contact

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