USN-6966-2: Firefox regressions

Published Aug 21, 2024
·
Updated

USN-6966-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. (CVE-2024-7518, CVE-2024-7521, CVE-2024-7524, CVE-2024-7526, CVE-2024-7527, CVE-2024-7528, CVE-2024-7529, CVE-2024-7530, CVE-2024-7531) It was discovered that Firefox did not properly manage certain memory operations when processing graphics shared memory. An attacker could potentially exploit this issue to escape the sandbox. (CVE-2024-7519) Nan Wang discovered that Firefox did not properly handle type check in WebAssembly. An attacker could potentially exploit this issue to execute arbitrary code. (CVE-2024-7520) Irvan Kurniawan discovered that Firefox did not properly check an attribute value in the editor component, leading to an out-of-bounds read vulnerability. An attacker could possibly use this issue to cause a denial of service or expose sensitive information. (CVE-2024-7522) Rob Wu discovered that Firefox did not properly check permissions when creating a StreamFilter. An attacker could possibly use this issue to modify response body of requests on any site using a web extension. (CVE-2024-7525)

Affected Software

2 affected componentsFixes available
All of the following
ubuntu/firefox<129.0.2+build1-0ubuntu0.20.04.1
129.0.2+build1-0ubuntu0.20.04.1
Ubuntu Ubuntu=20.04

Event History

Aug 21, 2024
Advisory Published
via Ubuntu·12:00 AM

Frequently Asked Questions

1

What is the severity of USN-6966-2?

USN-6966-2 addresses the minor regressions introduced in USN-6966-1, which previously fixed multiple security vulnerabilities in Firefox.

2

How do I fix USN-6966-2?

To resolve issues related to USN-6966-2, users should update their Firefox installation to version 129.0.2+build1-0ubuntu0.20.04.1 or later on Ubuntu 20.04.

3

What vulnerabilities were fixed in USN-6966-2?

USN-6966-2 resolves minor regressions linked to multiple security issues that were previously addressed in Firefox with USN-6966-1.

4

Which versions of Ubuntu are affected by USN-6966-2?

USN-6966-2 specifically affects Ubuntu 20.04 users running the Firefox package version 129.0.2+build1-0ubuntu0.20.04.1.

5

Is it safe to use Firefox after applying the update for USN-6966-2?

Yes, after applying the update for USN-6966-2, it is safe to use Firefox as the update addresses the prior vulnerabilities and regressions.

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