CVEvulnerability
CVE-2023-5824
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-11-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-755
Description
A flaw was found in Squid. The limits applied for validation of HTTP response headers are applied before caching. However, Squid may grow a cached HTTP response header beyond the configured maximum size, causing a stall or crash of the worker process when a large header is retrieved from the disk cache, resulting in a denial of service.
Affected configurations
• squid-cache squid (< 6.4)
• redhat enterprise linux 6.0
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
Related
Weakness · CWE (1)
- CWE-755 Improper Handling of Exceptional Conditions weakness
References
- https://access.redhat.com/errata/RHSA-2023:7465 access.redhat.com
- https://access.redhat.com/errata/RHSA-2023:7668 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:0072 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:0397 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:0771 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:0772 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:0773 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1153 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2023-5824 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2245914 Issue Tracking
- https://github.com/squid-cache/squid/security/advisories/GHSA-543m-w2m2-g255 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7465 access.redhat.com
- https://access.redhat.com/errata/RHSA-2023:7668 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:0072 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:0397 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:0771 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:0772 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:0773 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1153 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2023-5824 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2245914 Issue Tracking
- https://github.com/squid-cache/squid/security/advisories/GHSA-543m-w2m2-g255 Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/09/msg00027.html lists.debian.org
- https://security.netapp.com/advisory/ntap-20231130-0003/ security.netapp.com