Ubuntu Security Notice 6857-1 - Joshua Rogers discovered that Squid incorrectly handled requests with the urn: scheme. A remote attacker could possibly use this issue to cause Squid to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS. It was discovered that Squid incorrectly handled SSPI and SMB authentication. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly obtain sensitive information. This issue only affected Ubuntu 16.04 LTS.
818b1f5d93b4df6bccfc5d6fc22d306b23072e7c7d370030caeb86a9084a4e70Debian Linux Security Advisory 5637-1 - Several security vulnerabilities have been discovered in Squid, a full featured web proxy cache. Due to programming errors in Squid's HTTP request parsing, remote attackers may be able to execute a denial of service attack by sending large X-Forwarded-For header or trigger a stack buffer overflow while performing HTTP Digest authentication. Other issues facilitate request smuggling past a firewall or a denial of service against Squid's Helper process management.
a79ef3e7a5505aef83c8e1d9026a34f64acecaa9ccd3e41b225ac5500d8a96e7Ubuntu Security Notice 6594-1 - Joshua Rogers discovered that Squid incorrectly handled HTTP message processing. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. Joshua Rogers discovered that Squid incorrectly handled Helper process management. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. Joshua Rogers discovered that Squid incorrectly handled HTTP request parsing. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service.
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