Summary
Squid is a high-performance proxy caching server for web clients, supporting FTP, and HTTP data objects.
Security Fix(es):
* squid: Squid: Denial of Service via heap Use-After-Free vulnerability in ICP handling (CVE-2026-33526)
* Squid: Squid: Denial of Service via crafted ICP traffic (CVE-2026-32748)
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.
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | libecap | 1.0.1-2.module_el8.6.0+2741+01592ae8 |
| AlmaLinux · 8 | libecap | 1.0.1-2.module_el8.6.0+3048+383bc947 |
| AlmaLinux · 8 | libecap-devel | 1.0.1-2.module_el8.6.0+2741+01592ae8 |
| AlmaLinux · 8 | libecap-devel | 1.0.1-2.module_el8.6.0+3048+383bc947 |
| AlmaLinux · 8 | squid | 7:4.15-10.module_el8.10.0+4163+e77fcdac.11 |
Vulnerabilities 2
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Critical 9.2
Squid vulnerable to Denial of Service in ICP Request handling
Squid is a caching proxy for the Web. Prior to version 7.5, due to heap Use-After-Free, Squid is vulnerable to Denial of Service when handling ICP traffic. This problem allows a remote attacker to perform a reliable and repeatable Denial of Service attack aga…
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High 8.7
Squid has Denial of Service in ICP Response handling
Squid is a caching proxy for the Web. Prior to version 7.5, due to premature release of resource during expected lifetime and heap Use-After-Free bugs, Squid is vulnerable to Denial of Service when handling ICP traffic. This problem allows a remote attacker t…