high7.5
CVE-2023-5824
A flaw was found in Squid.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Squid-Cache | Squid | before 6.4 |
| Redhat | Enterprise Linux | Versions 6.0, 7.0, 8.0, 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/errata/RHSA-2023:7465
- https://access.redhat.com/errata/RHSA-2023:7668
- https://access.redhat.com/errata/RHSA-2024:0072
- https://access.redhat.com/errata/RHSA-2024:0397
- https://access.redhat.com/errata/RHSA-2024:0771
- https://access.redhat.com/errata/RHSA-2024:0772
- https://access.redhat.com/errata/RHSA-2024:0773
- https://access.redhat.com/errata/RHSA-2024:1153
- https://access.redhat.com/security/cve/CVE-2023-5824
- https://bugzilla.redhat.com/show_bug.cgi?id=2245914
- https://github.com/squid-cache/squid/security/advisories/GHSA-543m-w2m2-g255
- https://access.redhat.com/errata/RHSA-2023:7465
- https://access.redhat.com/errata/RHSA-2023:7668
- https://access.redhat.com/errata/RHSA-2024:0072
- https://access.redhat.com/errata/RHSA-2024:0397
- https://access.redhat.com/errata/RHSA-2024:0771
- https://access.redhat.com/errata/RHSA-2024:0772
- https://access.redhat.com/errata/RHSA-2024:0773
- https://access.redhat.com/errata/RHSA-2024:1153
- https://access.redhat.com/security/cve/CVE-2023-5824
- https://bugzilla.redhat.com/show_bug.cgi?id=2245914
- https://github.com/squid-cache/squid/security/advisories/GHSA-543m-w2m2-g255
- https://lists.debian.org/debian-lts-announce/2025/09/msg00027.html
- https://security.netapp.com/advisory/ntap-20231130-0003/