USN-6562-1: Firefox vulnerabilities
Publication date
2 January 2024
Overview
Several security issues were fixed in Firefox.
Releases
Packages
- 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-2023-6865,
CVE-2023-6857, CVE-2023-6858, CVE-2023-6859, CVE-2023-6866, CVE-2023-6867,
CVE-2023-6861, CVE-2023-6869, CVE-2023-6871, CVE-2023-6872, CVE-2023-6863,
CVE-2023-6864, CVE-2023-6873)
DoHyun...
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-2023-6865,
CVE-2023-6857, CVE-2023-6858, CVE-2023-6859, CVE-2023-6866, CVE-2023-6867,
CVE-2023-6861, CVE-2023-6869, CVE-2023-6871, CVE-2023-6872, CVE-2023-6863,
CVE-2023-6864, CVE-2023-6873)
DoHyun Lee discovered that Firefox did not properly manage memory when used
on systems with the Mesa VM driver. An attacker could potentially exploit
this issue to execute arbitrary code. (CVE-2023-6856)
George Pantela and Hubert Kario discovered that Firefox using multiple NSS
NIST curves which were susceptible to a side-channel attack known as
"Minerva". An attacker could potentially exploit this issue to obtain
sensitive information. (CVE-2023-6135)
Andrew Osmond discovered that Firefox did not properly validate the textures
produced by remote decoders. An attacker could potentially exploit this
issue to escape the sandbox. (CVE-2023-6860)
Update instructions
After a standard system update you need to restart Firefox to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 20.04 focal | firefox – 121.0+build1-0ubuntu0.20.04.1 | ||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.
References
- CVE-2023-6873
- CVE-2023-6872
- CVE-2023-6871
- CVE-2023-6869
- CVE-2023-6867
- CVE-2023-6866
- CVE-2023-6865
- CVE-2023-6864
- CVE-2023-6863
- CVE-2023-6861
- CVE-2023-6873
- CVE-2023-6872
- CVE-2023-6871
- CVE-2023-6869
- CVE-2023-6867
- CVE-2023-6866
- CVE-2023-6865
- CVE-2023-6864
- CVE-2023-6863
- CVE-2023-6861
- CVE-2023-6860
- CVE-2023-6859
- CVE-2023-6858
- CVE-2023-6857
- CVE-2023-6856
- CVE-2023-6135