The following advisory data is extracted from:

https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_8293.json

Red Hat officially shut down their mailing list notifications October 10, 2023.  Due to this, Packet Storm has recreated the below data as a reference point to raise awareness.  It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

- Packet Storm Staff




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Red Hat Security Advisory

Synopsis:           Important: firefox security update
Advisory ID:        RHSA-2025:8293-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2025:8293
Issue date:         2025-05-29
Revision:           03
CVE Names:          CVE-2025-5263
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Summary: 

An update for firefox is now available for Red Hat Enterprise Linux 9.

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.




Description:

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):

* firefox: thunderbird: Clickjacking vulnerability could have led to leaking saved payment card details (CVE-2025-5267)

* firefox: thunderbird: Potential local code execution in ?Copy as cURL? command (CVE-2025-5264)

* firefox: thunderbird: Memory safety bugs (CVE-2025-5268)

* firefox: thunderbird: Script element events leaked cross-origin resource status (CVE-2025-5266)

* firefox: thunderbird: Error handling for script execution was incorrectly isolated from web content (CVE-2025-5263)

* firefox: thunderbird: Memory safety bug (CVE-2025-5269)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.


Solution:

https://access.redhat.com/articles/11258



CVEs:

CVE-2025-5263

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2368750
https://bugzilla.redhat.com/show_bug.cgi?id=2368751
https://bugzilla.redhat.com/show_bug.cgi?id=2368752
https://bugzilla.redhat.com/show_bug.cgi?id=2368755
https://bugzilla.redhat.com/show_bug.cgi?id=2368756
https://bugzilla.redhat.com/show_bug.cgi?id=2368757