CVE-2023-5824 (GCVE-0-2023-5824)
Vulnerability from cvelistv5 – Published: 2023-11-03 07:56 – Updated: 2025-11-06 20:51
VLAI
EPSS
VEX
Title
Squid: dos against http and https
Summary
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.
Severity
7.5 (High)
CWE
- CWE-755 - Improper Handling of Exceptional Conditions
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2023:7465 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:7668 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:0072 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:0397 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:0771 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:0772 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:0773 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:1153 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-5824 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2245914 | issue-trackingx_refsource_REDHAT |
| https://github.com/squid-cache/squid/security/adv… | |
| https://security.netapp.com/advisory/ntap-2023113… | x_transferred |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
14 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8090020231130092412.a75119d5 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
8020020240122164331.4cda2c84 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.2::appstream cpe:/a:redhat:rhel_e4s:8.2::appstream cpe:/a:redhat:rhel_aus:8.2::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service |
Unaffected:
8020020240122164331.4cda2c84 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.2::appstream cpe:/a:redhat:rhel_e4s:8.2::appstream cpe:/a:redhat:rhel_aus:8.2::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions |
Unaffected:
8020020240122164331.4cda2c84 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.2::appstream cpe:/a:redhat:rhel_e4s:8.2::appstream cpe:/a:redhat:rhel_aus:8.2::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
8040020240122165847.522a0ee4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.4::appstream cpe:/a:redhat:rhel_tus:8.4::appstream cpe:/a:redhat:rhel_aus:8.4::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service |
Unaffected:
8040020240122165847.522a0ee4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.4::appstream cpe:/a:redhat:rhel_tus:8.4::appstream cpe:/a:redhat:rhel_aus:8.4::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions |
Unaffected:
8040020240122165847.522a0ee4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.4::appstream cpe:/a:redhat:rhel_tus:8.4::appstream cpe:/a:redhat:rhel_aus:8.4::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support |
Unaffected:
8060020231222131040.ad008a3a , < *
(rpm)
cpe:/a:redhat:rhel_eus:8.6::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support |
Unaffected:
8080020231222130009.63b34585 , < *
(rpm)
cpe:/a:redhat:rhel_eus:8.8::appstream |
||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
7:5.5-6.el9_3.2 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
||
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
7:5.2-1.el9_0.4 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.0::appstream |
||
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support |
Unaffected:
7:5.5-5.el9_2.3 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.2::appstream |
||
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
||
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
Date Public
2023-10-19 00:00
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Loading…
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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