Oracle Linux: CVE-2023-46724: ELSA-2024-0046: squid:4 security update (IMPORTANT) (Multiple Advisories)

Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 through 5.9 and 6.0 prior to 6.4 compiled using `--with-openssl` are vulnerable to a Denial of Service attack against SSL Certificate validation. This problem allows a remote server to perform Denial of Service against Squid Proxy by initiating a TLS Handshake with a specially crafted SSL Certificate in a server certificate chain. This attack is limited to HTTPS and SSL-Bump. This bug is fixed in Squid version 6.4. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. Those who you use a prepackaged version of Squid should refer to the package vendor for availability information on updated packages.
A flaw was found in Squid. Due to an improper validation of the specified index bug, Squid compiled using `--with-openssl` is vulnerable to a denial of service attack against SSL Certificate validation. This flaw allows a remote server to perform a denial of service against the Squid Proxy by initiating a TLS Handshake with a specially crafted SSL Certificate in a server certificate chain. This attack is limited to HTTPS and SSL-Bump.