Red Hat Security Advisory: squid security update
Two denial of service vulnerabilities have been identified in Squid, a high-performance proxy caching server. These vulnerabilities involve a heap use-after-free in ICP handling (CVE-2026-33526) and denial of service via crafted ICP traffic (CVE-2026-32748). The issues affect Red Hat Enterprise Linux 7 Extended Lifecycle Support versions. Red Hat has issued a security advisory with updated packages to address these vulnerabilities.
AI Analysis
Technical Summary
Red Hat Product Security has released an important security advisory (RHSA-2026:8880) addressing two denial of service vulnerabilities in Squid. The first vulnerability (CVE-2026-33526) is a heap use-after-free in ICP handling, and the second (CVE-2026-32748) involves denial of service via crafted ICP traffic. These vulnerabilities affect multiple architectures of Red Hat Enterprise Linux 7 Extended Lifecycle Support. Updated Squid packages have been released to fix these issues. No CVSS scores are provided in the advisory, but the severity is rated as important by Red Hat.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial of service conditions in the Squid proxy server, potentially disrupting web and FTP proxy services. There is no indication of code execution or data compromise. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated Squid packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address these vulnerabilities. Users should apply these official patches as detailed in Red Hat advisory RHSA-2026:8880 and the referenced update article (https://access.redhat.com/articles/11258). 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 Squid, a high-performance proxy caching server. These vulnerabilities involve a heap use-after-free in ICP handling (CVE-2026-33526) and denial of service via crafted ICP traffic (CVE-2026-32748). The issues affect Red Hat Enterprise Linux 7 Extended Lifecycle Support versions. Red Hat has issued a security advisory with updated packages to address these vulnerabilities.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Red Hat Product Security has released an important security advisory (RHSA-2026:8880) addressing two denial of service vulnerabilities in Squid. The first vulnerability (CVE-2026-33526) is a heap use-after-free in ICP handling, and the second (CVE-2026-32748) involves denial of service via crafted ICP traffic. These vulnerabilities affect multiple architectures of Red Hat Enterprise Linux 7 Extended Lifecycle Support. Updated Squid packages have been released to fix these issues. No CVSS scores are provided in the advisory, but the severity is rated as important by Red Hat.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial of service conditions in the Squid proxy server, potentially disrupting web and FTP proxy services. There is no indication of code execution or data compromise. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated Squid packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address these vulnerabilities. Users should apply these official patches as detailed in Red Hat advisory RHSA-2026:8880 and the referenced update article (https://access.redhat.com/articles/11258). 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-2026:8880
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-33526"]
- Cvss Version
- null
Threat ID: 6a160984e29bf47b50650e4d
Added to database: 5/26/2026, 8:58:44 PM
Last enriched: 5/26/2026, 10:32:14 PM
Last updated: 5/27/2026, 5:04:08 AM
Views: 3
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