Red Hat Security Advisory: squid:4 security update
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Security Fix(es): * squid: vulnerable to a Denial of Service attack against Cache Manager error responses (CVE-2024-23638) * squid: Denial of Service processing ESI response content (CVE-2024-45802) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This advisory covers two denial of service vulnerabilities in the squid:4 proxy caching server used in Red Hat Enterprise Linux 8. CVE-2024-23638 allows denial of service via Cache Manager error responses, and CVE-2024-45802 causes denial of service when processing ESI response content. The vulnerabilities are rated as important by Red Hat Product Security. Updated squid:4 packages have been released for multiple architectures including x86_64, s390x, ppc64le, and aarch64 to remediate these issues.
Potential Impact
Successful exploitation of these vulnerabilities could cause denial of service conditions in the squid proxy server, potentially disrupting proxy services for FTP, Gopher, and HTTP clients relying on squid. There is no indication of code execution or data compromise. No known exploits in the wild have been reported.
Mitigation Recommendations
Red Hat has released updated squid:4 packages for Red Hat Enterprise Linux 8 to address these vulnerabilities. Users should apply the security update as detailed in the Red Hat advisory RHSA-2024:9644 and the referenced article https://access.redhat.com/articles/11258. Applying this update will remediate the denial of service issues. No additional mitigation is required beyond applying the official patch.
Red Hat Security Advisory: squid:4 security update
Description
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Security Fix(es): * squid: vulnerable to a Denial of Service attack against Cache Manager error responses (CVE-2024-23638) * squid: Denial of Service processing ESI response content (CVE-2024-45802) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two denial of service vulnerabilities in the squid:4 proxy caching server used in Red Hat Enterprise Linux 8. CVE-2024-23638 allows denial of service via Cache Manager error responses, and CVE-2024-45802 causes denial of service when processing ESI response content. The vulnerabilities are rated as important by Red Hat Product Security. Updated squid:4 packages have been released for multiple architectures including x86_64, s390x, ppc64le, and aarch64 to remediate these issues.
Potential Impact
Successful exploitation of these vulnerabilities could cause denial of service conditions in the squid proxy server, potentially disrupting proxy services for FTP, Gopher, and HTTP clients relying on squid. There is no indication of code execution or data compromise. No known exploits in the wild have been reported.
Mitigation Recommendations
Red Hat has released updated squid:4 packages for Red Hat Enterprise Linux 8 to address these vulnerabilities. Users should apply the security update as detailed in the Red Hat advisory RHSA-2024:9644 and the referenced article https://access.redhat.com/articles/11258. Applying this update will remediate the denial of service issues. No additional mitigation is required beyond applying the official patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:9644
- Cve Count
- 2
- Additional Cves
- ["CVE-2024-45802"]
Threat ID: 6a74cf65bf8831d539199044
Added to database: 08/06/2026, 18:16:05 UTC
Last enriched: 08/06/2026, 18:20:19 UTC
Last updated: 09/10/2026, 19:36:47 UTC
Views: 7
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