The vulnerability of Squid’s ESI element processing mechanism, which is related to the operation being brought within the allowable data buffer limits, allows a hacker to cause a service failure.

The vulnerability of the Squid proxy server’s ESI element processing mechanism lies in the ability to limit the execution of operations within acceptable data buffer limits. Exploiting this vulnerability allows a malicious actor to cause service failures...

security flaw

The NTLM component in Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service crash via a malformed NTLM type 3 message that triggers a NULL dereference...