DEBIAN-CVE-2026-118002: Race Condition

Published Oct 27, 2026
·
Updated

Information disclosure due to race condition in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

Affected Software

6 affected componentsFixes available
debian/firefox-esr<153.6.0esr-1~deb12u2
153.6.0esr-1~deb12u2
debian/firefox-esr<153.6.0esr-1~deb13u1
153.6.0esr-1~deb13u1
debian/firefox-esr*
debian/thunderbird*
debian/thunderbird*
debian/thunderbird*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 153.6.0esr-1~deb12u2
  2. Upgrade

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

    Fixed in 153.6.0esr-1~deb13u1
  3. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 159
  4. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 153.6
  5. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 159
  6. Upgrade

    Upgrade Thunderbird ESR to a version that resolves this vulnerability.

    Fixed in 153.6

Event History

Oct 27, 2026
CVE Published
via OSV·02:16 PM
Data Sourced
via OSV·02:16 PM
DescriptionAffected Software

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