USN-5954-2: Firefox regressions
27 March 2023
USN-5954-1 caused some minor regressions in Firefox.
Releases
Packages
- firefox - Mozilla Open Source web browser
Details
USN-5954-1 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-2023-25750,
CVE-2023-25752, CVE-2023-28162, CVE-2023-28176, CVE-2023-28177)
Lukas Bernhard discovered that Firefox did not properly manage memory
when invalidating JIT code while following an iterator. An attacker could
potentially exploits this issue to cause a denial of service.
(CVE-2023-25751)
Rob Wu discovered that Firefox did not properly manage the URLs when
following a redirect to a publicly accessible web extension file. An
attacker could potentially exploits this to obtain sensitive information.
(CVE-2023-28160)
Luan Herrera discovered that Firefox did not properly manage cross-origin
iframe when dragging a URL. An attacker could potentially exploit this
issue to perform spoofing attacks. (CVE-2023-28164)
Khiem Tran discovered that Firefox did not properly manage one-time
permissions granted to a document loaded using a file: URL. An attacker
could potentially exploit this issue to use granted one-time permissions
on the local files came from different sources. (CVE-2023-28161)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
Ubuntu 18.04
After a standard system update you need to restart Firefox to make all the
necessary changes.