USN-5370-1: Firefox vulnerabilities

Releases

• Ubuntu 21.10
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

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, execute script
unexpectedly, obtain sensitive information, conduct spoofing attacks,
or execute arbitrary code. (CVE-2022-1097, CVE-2022-24713, CVE-2022-28281,
CVE-2022-28282, CVE-2022-28284, CVE-2022-28285, CVE-2022-28286,
CVE-2022-28288, CVE-2022-28289)

A security issue was discovered with the sourceMapURL feature of devtools.
An attacker could potentially exploit this to include local files that
should have been inaccessible. (CVE-2022-28283)

It was discovered that selecting text caused Firefox to crash in some
circumstances. An attacker could potentially exploit this to cause a
denial of service. (CVE-2022-28287)

Update instructions

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

Ubuntu 21.10

• firefox - 99.0+build2-0ubuntu0.21.10.2

Ubuntu 20.04

• firefox - 99.0+build2-0ubuntu0.20.04.2

Ubuntu 18.04

• firefox - 99.0+build2-0ubuntu0.18.04.2

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

References

• CVE-2022-1097
• CVE-2022-28285
• CVE-2022-28283
• CVE-2022-28286
• CVE-2022-28281
• CVE-2022-28282
• CVE-2022-28284
• CVE-2022-28287
• CVE-2022-28288
• CVE-2022-24713
• CVE-2022-28289

Related notices

• USN-5393-1
• USN-5494-1
• USN-5610-1