Red Hat Security Advisory: firefox security update
An update for firefox is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
describes (5)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-4093US | — | — | ||
Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exp… | ||||
| CVE-2025-4091US | — | — | ||
Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. Some of these bugs showed evidence of memory corruption and we presume that wi… | ||||
| CVE-2025-4087US | — | — | ||
A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bou… | ||||
| CVE-2025-4083US | — | — | ||
A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instea… | ||||
| CVE-2025-2817US | — | — | ||
Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level updater by manipulating the file-locking behavior. By injecting code into… | ||||
references
External citations — patches, advisories, analysis.
- https://access.redhat.com/errata/RHSA-2025:7547self
- https://access.redhat.com/security/updates/classification/#importantexternal
- 2362902external
- 2362904external
- 2362907external
- 2362912external
- 2362915external
- Canonical URLself
remediations (20)
- Fixedfirefox-0:128.10.0-1.el8_2.src as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-0:128.10.0-1.el8_2.src as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-0:128.10.0-1.el8_2.src as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-0:128.10.0-1.el8_2.src as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-0:128.10.0-1.el8_2.src as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-debuginfo-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-debuginfo-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-debuginfo-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-debuginfo-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-debuginfo-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-debugsource-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-debugsource-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-debugsource-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-debugsource-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547 - Fixedfirefox-debugsource-0:128.10.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v. 8.2)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2025:7547
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