CVE-2025-1013: Potential opening of private browsing tabs in normal browsing windows

Published Feb 4, 2025
·
Updated

A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak.

Affected Software

22 affected componentsFixes available
Mozilla Firefox<135
135
Mozilla Firefox ESR<128.7
128.7
Mozilla Thunderbird<135
135
Mozilla Firefox<128.7.0
Mozilla Firefox<135.0
Mozilla Thunderbird<128.7.0
Mozilla Thunderbird>=129.0<135.0
ubuntu/mozjs52*
ubuntu/mozjs38*
ubuntu/firefox<135.0+build2-0ubuntu0.20.04.1
135.0+build2-0ubuntu0.20.04.1
ubuntu/mozjs68*
ubuntu/mozjs52*
ubuntu/mozjs102*
ubuntu/mozjs78*
ubuntu/mozjs91*
ubuntu/thunderbird<1:128.12.0+build1-0ubuntu0.22.04.1
1:128.12.0+build1-0ubuntu0.22.04.1
ubuntu/mozjs102*
ubuntu/mozjs115*
Mozilla Thunderbird<128.7
128.7
debian/firefox
159.0-1
debian/firefox-esr
140.12.0esr-1~deb12u1153.6.0esr-1~deb12u2140.15.0esr-1~deb13u1153.6.0esr-1~deb13u1153.5.1esr-1153.6.0esr-1
debian/thunderbird
1:140.12.0esr-1~deb12u11:153.6.0esr-1~deb12u11:140.12.0esr-1~deb13u11:153.6.0esr-1~deb13u11:153.5.0esr-11:153.6.0esr-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 135
  2. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 128.7
  3. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 135
  4. Upgrade

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

    Fixed in 135.0+build2-0ubuntu0.20.04.1
  5. Upgrade

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

    Fixed in 1:128.12.0+build1-0ubuntu0.22.04.1
  6. Upgrade

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

    Fixed in 128.7
  7. Upgrade

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

    Fixed in 159.0-1
  8. Upgrade

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

    Fixed in 140.12.0esr-1~deb12u1Fixed in 153.6.0esr-1~deb12u2Fixed in 140.15.0esr-1~deb13u1Fixed in 153.6.0esr-1~deb13u1Fixed in 153.5.1esr-1Fixed in 153.6.0esr-1
  9. 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 1:153.6.0esr-1~deb13u1Fixed in 1:153.5.0esr-1Fixed in 1:153.6.0esr-1

Event History

Feb 4, 2025
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·01:58 PM
Data Sourced
via MITRE·01:58 PM
Description
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·03:01 PM
DescriptionSeverityAffected Software
Feb 6, 2025
Data Sourced
via OSV·12:00 AM
DescriptionSeverityAffected 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-2025-1013?

CVE-2025-1013 has been identified as a medium severity vulnerability related to potentially exposing private browsing tabs.

2

How do I fix CVE-2025-1013?

To remediate CVE-2025-1013, update Mozilla Firefox or Thunderbird to versions 135 or 128.7, respectively.

3

What is the nature of the vulnerability CVE-2025-1013?

CVE-2025-1013 is caused by a race condition that could lead to the opening of private browsing tabs in normal browsing windows.

4

Which versions are affected by CVE-2025-1013?

CVE-2025-1013 affects Firefox ESR versions up to 128.7 and both Firefox and Thunderbird versions up to 135.

5

Can CVE-2025-1013 impact user privacy?

Yes, CVE-2025-1013 could result in potential privacy leaks by exposing content from private browsing sessions.

Company

Resources

Contact

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