========================================================================== Ubuntu Security Notice USN-7372-1 March 26, 2025
varnish vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Varnish could allow unintended access to network services. Software Description: - varnish: state of the art, high-performance web accelerator Details: Martin van Kervel Smedshammer discovered that Varnish did not properly sanitize certain HTTP headers. A remote attacker could possibly use this issue to perform a cross-site request forgery (CSRF) attack. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS libvarnishapi2 6.6.1-1ubuntu0.2+esm1 Available with Ubuntu Pro varnish 6.6.1-1ubuntu0.2+esm1 Available with Ubuntu Pro Ubuntu 20.04 LTS libvarnishapi2 6.2.1-2ubuntu0.2+esm1 Available with Ubuntu Pro varnish 6.2.1-2ubuntu0.2+esm1 Available with Ubuntu Pro Ubuntu 18.04 LTS libvarnishapi1 5.2.1-1ubuntu0.1+esm1 Available with Ubuntu Pro varnish 5.2.1-1ubuntu0.1+esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7372-1 CVE-2022-45060
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