Red Hat Product Security released an advisory (RHSA-2024:2777) addressing two denial of service vulnerabilities in Squid 4: CVE-2024-25617 affecting the HTTP header parser and CVE-2024-25111 affecting HTTP chunked decoding. These vulnerabilities could allow an attacker to cause a denial of service condition. The advisory covers Red Hat Enterprise Linux 8.2 variants including AUS, TUS, and SAP Update Services for x86_64 and ppc64le architectures. The update is rated as Important by Red Hat and includes patches that fix these issues. After applying the update, the squid service will be restarted automatically. No CVSS scores are provided in the advisory.

Successful exploitation of these vulnerabilities could cause denial of service conditions in the Squid proxy server, potentially disrupting proxy services for clients relying on it. There is no indication of code execution or data compromise. No known exploits in the wild have been reported at this time.

Red Hat has released an official security update for Squid 4 on Red Hat Enterprise Linux 8.2 variants that addresses these denial of service vulnerabilities. Users should apply the update as described in the Red Hat advisory (RHSA-2024:2777) available at https://access.redhat.com/articles/11258. The update will automatically restart the squid service. No additional mitigation steps are indicated by the vendor.