{"cve":"CVE-2023-46847","nvd":{"published":"2023-11-03T08:15:08.023","modified":"2026-08-07T02:16:30.157","status":"Modified","description":"Squid is vulnerable to a Denial of Service,  where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-120"],"references":["https://access.redhat.com/errata/RHSA-2023:6266","https://access.redhat.com/errata/RHSA-2023:6267","https://access.redhat.com/errata/RHSA-2023:6268","https://access.redhat.com/errata/RHSA-2023:6748","https://access.redhat.com/errata/RHSA-2023:6801"],"products":["redhat:enterprise_linux","redhat:enterprise_linux_eus","redhat:enterprise_linux_for_arm_64","redhat:enterprise_linux_for_ibm_z_systems","redhat:enterprise_linux_for_power_little_endian","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_tus","redhat:enterprise_linux_workstation","squid-cache:squid"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-46847","score":0.78513,"percentile":0.99585,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}