USN-6500-2: Squid vulnerabilities
11 December 2023
Several security issues were fixed in Squid.
Releases
Packages
- squid3 - Web proxy cache server
Details
USN-6500-1 fixed several vulnerabilities in Squid. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
Original advisory details:
Joshua Rogers discovered that Squid incorrectly handled the Gopher
protocol. A remote attacker could possibly use this issue to cause Squid to
crash, resulting in a denial of service. Gopher support has been disabled
in this update. (CVE-2023-46728)
Joshua Rogers discovered that Squid incorrectly handled HTTP Digest
Authentication. A remote attacker could possibly use this issue to cause
Squid to crash, resulting in a denial of service. (CVE-2023-46847)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
-
squid
-
3.5.27-1ubuntu1.14+esm1
Available with Ubuntu Pro
-
squid3
-
3.5.27-1ubuntu1.14+esm1
Available with Ubuntu Pro
Ubuntu 16.04
-
squid
-
3.5.12-1ubuntu7.16+esm2
Available with Ubuntu Pro
-
squid3
-
3.5.12-1ubuntu7.16+esm2
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-6500-1: squid, squid-cgi, squid-purge, squidclient, squid-openssl, squid-common