CVE-2023-46847

CVE-2023-46847 is a Denial of Service vulnerability affecting Squid proxy servers, specifically when configured for HTTP Digest Authentication. A remote attacker can exploit this by triggering a buffer overflow, writing up to 2 MB of arbitrary data to heap memory. This vulnerability carries a high CVSS score of 7.5, indicating a severe impact (Denial of Service) with low attack complexity and no user interaction required. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage.