Red Hat Security Advisory: squid security update
Two denial of service vulnerabilities have been identified in the Squid proxy caching server used in Red Hat Enterprise Linux 9. 2. These issues involve a heap use-after-free vulnerability and crafted ICP traffic handling, which can cause service disruption. Red Hat has issued an important security advisory with updated packages to address these flaws. The vulnerabilities affect multiple architectures and extended lifecycle versions of Red Hat Enterprise Linux. No known exploits in the wild have been reported. The advisory provides updated Squid packages to remediate the issues.
AI Analysis
Technical Summary
Red Hat Product Security released an advisory (RHSA-2026:10257) addressing two denial of service vulnerabilities in Squid, a high-performance proxy caching server. The first vulnerability (CVE-2026-33526) is a heap use-after-free issue in ICP handling, and the second (CVE-2026-32748) involves denial of service via crafted ICP traffic. These vulnerabilities affect Red Hat Enterprise Linux 9.2 and related variants across multiple architectures. The advisory includes updated Squid packages to fix these issues. No CVSS scores are provided in the advisory, and no known exploits have been reported.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial of service conditions in the Squid proxy server, potentially disrupting web client proxy caching services. The impact is limited to service availability degradation. There is no indication of code execution or data compromise. No known exploits have been observed in the wild.
Mitigation Recommendations
Red Hat has released updated Squid packages for Red Hat Enterprise Linux 9.2 and related variants that address these vulnerabilities. Users should apply these official updates as detailed in the Red Hat advisory (RHSA-2026:10257) and the referenced article https://access.redhat.com/articles/11258. Since this is an official fix, applying the update fully mitigates the issue. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: squid security update
Description
Two denial of service vulnerabilities have been identified in the Squid proxy caching server used in Red Hat Enterprise Linux 9. 2. These issues involve a heap use-after-free vulnerability and crafted ICP traffic handling, which can cause service disruption. Red Hat has issued an important security advisory with updated packages to address these flaws. The vulnerabilities affect multiple architectures and extended lifecycle versions of Red Hat Enterprise Linux. No known exploits in the wild have been reported. The advisory provides updated Squid packages to remediate the issues.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Red Hat Product Security released an advisory (RHSA-2026:10257) addressing two denial of service vulnerabilities in Squid, a high-performance proxy caching server. The first vulnerability (CVE-2026-33526) is a heap use-after-free issue in ICP handling, and the second (CVE-2026-32748) involves denial of service via crafted ICP traffic. These vulnerabilities affect Red Hat Enterprise Linux 9.2 and related variants across multiple architectures. The advisory includes updated Squid packages to fix these issues. No CVSS scores are provided in the advisory, and no known exploits have been reported.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial of service conditions in the Squid proxy server, potentially disrupting web client proxy caching services. The impact is limited to service availability degradation. There is no indication of code execution or data compromise. No known exploits have been observed in the wild.
Mitigation Recommendations
Red Hat has released updated Squid packages for Red Hat Enterprise Linux 9.2 and related variants that address these vulnerabilities. Users should apply these official updates as detailed in the Red Hat advisory (RHSA-2026:10257) and the referenced article https://access.redhat.com/articles/11258. Since this is an official fix, applying the update fully mitigates the issue. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:10257
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-33526"]
- Cvss Version
- null
Threat ID: 6a160980e29bf47b5064dc0f
Added to database: 5/26/2026, 8:58:40 PM
Last enriched: 5/26/2026, 9:50:23 PM
Last updated: 5/27/2026, 5:02:44 AM
Views: 2
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