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Ubuntu 20.04 LTS USN-6404-1 Critical: Firefox Denial Of Service Flaws

ubuntu
Calendar Grey October 3, 2023
Dist Ubuntu Esm H88
Uncover significant vulnerabilities in Firefox on Ubuntu 20.04 LTS and understand how to fortify your setup. Promptly apply updates for optimal protection.
Several security issues were fixed in Firefox.

Summary

Several security issues were fixed in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

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-2023-5169,

CVE-2023-5170, CVE-2023-5171, CVE-2023-5172, CVE-2023-5175, CVE-2023-5176)

Ronald Crane discovered that Firefox did not properly manage memory when

non-HTTPS Alternate Services (network.http.altsvc.oe) is enabled. An

attacker could potentially exploit this issue to cause a denial of service.

(CVE-2023-5173)

Clément Lecigne discovered that Firefox did not properly manage memory when

handling VP8 media stream. An attacker-controlled VP8 media stream could

lead to a heap buffer overflow in the content process, resulting in a

denial of service, or possibly execute ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service critical issue software update firefox ubuntu

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  firefox                         118.0.1+build1-0ubuntu0.20.04.1

After a standard system update you need to restart Firefox to make all the
necessary changes.

References

https://ubuntu.com/security/notices/USN-6404-1

CVE-2023-5169, CVE-2023-5170, CVE-2023-5171, CVE-2023-5172,

CVE-2023-5173, CVE-2023-5175, CVE-2023-5176, CVE-2023-5217

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6404-1

Topics%20covered

Topics Covered

security advisory denial of service critical issue software update firefox ubuntu

Package Information

https://launchpad.net/ubuntu/+source/firefox/118.0.1+build1-0ubuntu0.20.04.1

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