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 …

High CVSS 8.6

CVECVE-2023-46847

First seen2026-08-07 03:15 UTC

Disclosed2023-11-03 08:15 UTC

Last updated2026-08-07 03:15 UTC

Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

Sources

NVD DATABASE

Original Links

https://access.redhat.com/errata/RHSA-2023:6266 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6267 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6268 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6748 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6801 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6803 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6804 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6805 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6810 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6882 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6884 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7213 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7576 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7578 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-46847 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2245916 Issue Tracking
https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:6266 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6267 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6268 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6748 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6801 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6803 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6804 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6805 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6810 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6882 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6884 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7213 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7576 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7578 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-46847 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2245916 Issue Tracking
https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
https://security.netapp.com/advisory/ntap-20231130-0002/

Timeline

2026-08-07 nvd_ingest NVD