OESA-2026-4652: firefox security update

Published Oct 29, 2026
·
Updated

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. Security Fix(es):

Cryptographic issue in the Security Block-lists, Allow-lists, and other State component. This vulnerability was fixed in Firefox 158.0.1, Firefox ESR 153.5.1, Firefox ESR 115.43.1, Thunderbird 158.0.1, Thunderbird 153.5.1, and Firefox 158.0.2.(CVE-2026-113470)

Affected Software

1 affected componentFixes available
openeuler/firefox<153.5.1-1.oe2403sp4
153.5.1-1.oe2403sp4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 153.5.1-1.oe2403sp4
  2. Upgrade

    Upgrade Mozilla Firefox to a version that resolves this vulnerability.

    Fixed in 158.0.1
  3. Upgrade

    Upgrade Mozilla Firefox ESR to a version that resolves this vulnerability.

    Fixed in 153.5.1
  4. Upgrade

    Upgrade Mozilla Firefox ESR to a version that resolves this vulnerability.

    Fixed in 115.43.1
  5. Upgrade

    Upgrade Mozilla Thunderbird to a version that resolves this vulnerability.

    Fixed in 158.0.1
  6. Upgrade

    Upgrade Mozilla Thunderbird to a version that resolves this vulnerability.

    Fixed in 153.5.1
  7. Upgrade

    Upgrade Mozilla Firefox to a version that resolves this vulnerability.

    Fixed in 158.0.2

Event History

Oct 29, 2026
Advisory Published
via OSV·09:04 AM
Data Sourced
via OSV·09:04 AM
DescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What does an attacker need to exploit this issue?

The CVSS vector indicates that exploitation can be performed remotely with low attack complexity and no privileges, but it requires user interaction.

2

What is the expected impact if exploitation succeeds?

The reported impact is low confidentiality and low integrity impact. No availability impact is indicated.

3

Which releases include the fix?

The issue was fixed in Firefox 158.0.1 and 158.0.2, Firefox ESR 153.5.1, Firefox ESR 115.43.1, Thunderbird 158.0.1, and Thunderbird 153.5.1.

Contact

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