CVE-2023-5824

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published11/3/2023

Last Modified11/3/2025

Sourcenvd

Honeypot Sightings0

Affected Products

redhat:enterprise_linuxsquid-cache:squid

Weaknesses (CWE)

CWE-755CWE-755

References

https://access.redhat.com/errata/RHSA-2023:7465(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2023:7668(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2024:0072(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2024:0397(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2024:0771(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2024:0772(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2024:0773(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2024:1153(secalert@redhat.com)

https://access.redhat.com/security/cve/CVE-2023-5824(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2245914(secalert@redhat.com)

https://github.com/squid-cache/squid/security/advisories/GHSA-543m-w2m2-g255(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2023:7465(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2023:7668(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2024:0072(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2024:0397(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2024:0771(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2024:0772(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2024:0773(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2024:1153(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/security/cve/CVE-2023-5824(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.redhat.com/show_bug.cgi?id=2245914(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/squid-cache/squid/security/advisories/GHSA-543m-w2m2-g255(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2025/09/msg00027.html(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20231130-0003/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.