RLSA-2026:98537: Important: squid security update
Squid is a high-performance proxy caching server for web clients, supporting FTP, and HTTP data objects.
Security Fix(es):
squid: squid: Request Smuggling in HTTP Transfer-Encoding (CVE-2026-61642)
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
rocky-linux/squidto a version that resolves this vulnerability.Fixed in 7:5.5-27.el9_9.1 - Upgrade
Upgrade
rocky-linux/squid-debuginfoto a version that resolves this vulnerability.Fixed in 7:5.5-27.el9_9.1 - Upgrade
Upgrade
rocky-linux/squid-debugsourceto a version that resolves this vulnerability.Fixed in 7:5.5-27.el9_9.1
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
The CVSS vector indicates that exploitation is network-accessible, has low attack complexity, requires low privileges, and does not require user interaction.
What is the likely security impact if exploitation succeeds?
The listed CVSS vector indicates high impact to integrity, no impact to confidentiality or availability, and a changed scope.
Which Rocky Linux packages are covered by this update?
The advisory lists rocky-linux/squid, rocky-linux/squid-debuginfo, and rocky-linux/squid-debugsource.