Debian Linux Security LinuxSecurity Advisories is the community’s central source for information on Linux and open source security. We follow the open source trends as they affect the community. We produce content that appeals to administrators, developers, home users, and security professionals.
Debian LinuxSecurity.com is the community’s central source for information on Linux and open source security. We follow the open source trends as they affect the commu
- Debian Xen Critical Escalation Info Disclosure Vuln DSA-6571-1
on October 18, 2026 at 5:47 pmMultiple vulnerabilities have been discovered in the Xen hypervisor, which could result in privilege escalation, information disclosure or denial of service. For the stable distribution (trixie), these problems have been fixed in version 4.20.4+39-gf1e1321c87-0+deb13u1.
- Debian haproxy Critical Denial of Service Vulnern DSA-6570-1on October 18, 2026 at 12:40 pm
Two vulnerabilities were discovered in HAProxy, a fast and reliable load balancing reverse proxy, which could result in denial of service. For the stable distribution (trixie), these problems have been fixed in version 3.0.11-1+deb13u4. We recommend that you upgrade your haproxy packages.
- Debian cifs-utils Regression Fixed in DSA-6567-2 Advisoryon October 18, 2026 at 12:24 pm
The update for cifs-utils announced in DSA 6567-1 introduced a regression when using the sec=krb5 and cruid mount options. Updated packages are now available to correct this issue. For the stable distribution (trixie), this problem has been fixed in version 2:7.4-1+deb13u2.
- Debian Apache2 Important HTTP Issues Denial of Service 2026-6569-1on October 16, 2026 at 9:00 pm
Multiple vulnerabilities have been discovered in the Apache HTTP server, which may result in denial of service, information disclosure, authentication bypass or HTTP request smuggling. For the stable distribution (trixie), these problems have been fixed in version 2.4.69-1~deb13u1.
- Debian Linux Security Advisory DSA-6568-1 Addresses CVE-2025-38204 Riskon October 16, 2026 at 1:39 pm
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. For the stable distribution (trixie), these problems have been fixed in version 6.12.113-1.
