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Ubuntu 20.04 USN-6703-1 Critical: Firefox Denial Of Service Issues

ubuntu
Calendar Grey March 20, 2024
Dist Ubuntu Esm H88
Numerous vulnerabilities in Firefox impacting Ubuntu 20.04 have been addressed to mitigate risks related to service interruptions and unauthorized data access.
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-2024-2609,

CVE-2024-2611, CVE-2024-2614, CVE-2024-2615)

Hubert Kario discovered that Firefox had a timing side-channel when

performing RSA decryption. A remote attacker could possibly use this

issue to recover sensitive information. (CVE-2023-5388)

It was discovered that Firefox did not properly handle WASM register

values in some circumstances. An attacker could potentially exploit this

issue to cause a denial of service. (CVE-2024-2606)

Gary Kwong discovered that Firefox incorrectly updated return registers

for JIT code on Armv7-A systems. An attacker could potentially...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service security issue critical Ubuntu Firefox

Update Instructions

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

Ubuntu 20.04 LTS:
   firefox                         124.0+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-6703-1

CVE-2023-5388, CVE-2024-2606, CVE-2024-2607, CVE-2024-2608,

CVE-2024-2609, CVE-2024-2610, CVE-2024-2611, CVE-2024-2612,

CVE-2024-2613, CVE-2024-2614, CVE-2024-2615

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6703-1

Topics%20covered

Topics Covered

security advisory denial of service security issue critical Ubuntu Firefox

Package Information

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