- What: Security updates are available for Ubuntu and Fedora Linux distributions.
- Impact: Fixes include a memory leak in Ubuntu 23 and a data injection vulnerability in nginx for Fedora 42.
Ubuntu 23 mingw-lz4 Important Memory Leak Remediation 2023-2398efc5a7 Update to expat-2.7.4. LinuxSecurity.com Team Feb 15, 2026 Fedora 42 nginx Critical Data Injection Vulnerability CVE-2026-1642 Fix nginx-mod-fancyindex: Rebuild for 1.28.2 nginx-mod-headers-more: Rebuild for 1.28.2 nginx-mod-brotli: LinuxSecurity.com Team Feb 15, 2026 Fedora 42 nginx-mod-modsecurity Patch for CVE-2026-1642 Data Injection nginx-mod-fancyindex: Rebuild for 1.28.2 nginx-mod-headers-more: Rebuild for 1.28.2 nginx-mod-brotli: LinuxSecurity.com Team Feb 15, 2026 Fedora 42 nginx-mod-fancyindex Update CVE-2026-1642 TLS Attack Fix nginx-mod-fancyindex: Rebuild for 1.28.2 nginx-mod-headers-more: Rebuild for 1.28.2 nginx-mod-brotli: LinuxSecurity.com Team Feb 15, 2026 Fedora 42 nginx-mod-brotli Critical Data Injection Fix CVE-2026-1642 nginx-mod-fancyindex: Rebuild for 1.28.2 nginx-mod-headers-more: Rebuild for 1.28.2 nginx-mod-brotli: LinuxSecurity.com Team Feb 15, 2026 Fedora 42 nginx-mod-vts Critical Data Injection Fix CVE-2026-1642 nginx-mod-fancyindex: Rebuild for 1.28.2 nginx-mod-headers-more: Rebuild for 1.28.2 nginx-mod-brotli: LinuxSecurity.com Team Feb 15, 2026 Fedora 42 nginx-mod-headers-more Critical Data Injection Flaw CVE-2026-1642 nginx-mod-fancyindex: Rebuild for 1.28.2 nginx-mod-headers-more: Rebuild for 1.28.2 nginx-mod-brotli: LinuxSecurity.com Team Feb 15, 2026 Fedora 42 nginx-mod-naxsi Moderate DoS Threat Fix FEDORA-2026-0b8cc86e5b nginx-mod-fancyindex: Rebuild for 1.28.2 nginx-mod-headers-more: Rebuild for 1.28.2 nginx-mod-brotli: LinuxSecurity.com Team Feb 15, 2026 Fedora 42 Xen Serious Buffer Overrun Issue and vCPU Isolation XSA-477 x86: buffer overrun with shadow paging + tracing [XSA-477, CVE-2025-58150] x86: incomplete IBPB for vCPU isolation [XSA-479, CVE-2026-23553] LinuxSecurity.com Team Feb 15, 2026 Ubuntu 20.04 mingw-libxml Critical Memory Leak Mitigation 2026-82938471f4 Update to expat-2.7.4. LinuxSecurity.com Team Feb 15, 2026 Fedora 43 nginx-mod-brotli Critical CVE-2026-1642 Man-in-the-Middle nginx-mod-naxsi: Rebuild for 1.28.2 nginx-mod-brotli: Rebuild for 1.28.2 nginx-mod-fancyindex: LinuxSecurity.com Team Feb 15, 2026 Fedora 43 nginx-mod-fancyindex CRUCIAL Data Injection Threat CVE-2026-1642 nginx-mod-naxsi: Rebuild for 1.28.2 nginx-mod-brotli: Rebuild for 1.28.2 nginx-mod-fancyindex: LinuxSecurity.com Team Feb 15, 2026 Fedora 43 nginx-mod-headers-more Update CVE-2026-1642 Fix nginx-mod-naxsi: Rebuild for 1.28.2 nginx-mod-brotli: Rebuild for 1.28.2 nginx-mod-fancyindex: LinuxSecurity.com Team Feb 15, 2026 Fedora 43 nginx-mod-modsecurity Important TLS Injection Fix CVE-2026-1642 nginx-mod-naxsi: Rebuild for 1.28.2 nginx-mod-brotli: Rebuild for 1.28.2 nginx-mod-fancyindex: LinuxSecurity.com Team Feb 15, 2026 Fedora 43 nginx Critical Data Injection Threat CVE-2026-1642 Advisory nginx-mod-naxsi: Rebuild for 1.28.2 nginx-mod-brotli: Rebuild for 1.28.2 nginx-mod-fancyindex: LinuxSecurity.com Team Feb 15, 2026 Fedora 43 nginx-mod-vts Critical Data Injection CVE-2026-1642 Advisory nginx-mod-naxsi: Rebuild for 1.28.2 nginx-mod-brotli: Rebuild for 1.28.2 nginx-mod-fancyindex: LinuxSecurity.com Team Feb 15, 2026 Fedora 43 nginx-mod-naxsi Security Advisory for CVE-2026-1642 nginx-mod-naxsi: Rebuild for 1.28.2 nginx-mod-brotli: Rebuild for 1.28.2 nginx-mod-fancyindex: LinuxSecurity.com Team Feb 15, 2026 Fedora 43 linux-sgx Critical Nodejs Update CVE-2026-23745 Update nodejs modules used by pccs daemon for CVE-2026-23745, CVE-2026-23950, CVE-2026-24842, CVE-2025-13465, CVE-2025-15284. Remove Fedora override of default pccs daemon port. Remove redundant dep on mpa_registration from pccs. Add system scriptlets for pccs server. LinuxSecurity.com Team Feb 14, 2026 Fedora 43 python-aiohttp Important Security Advisory FEDORA-2026-66cb8ecfc2 https://github.com/aio-libs/aiohttp/blob/v3.13.3/CHANGES.rst LinuxSecurity.com Team Feb 14, 2026 Fedora 43 libssh Faces Severe DoS Buffer Underflow Vulnerabilities New upstream release fixing several security issues LinuxSecurity.com Team Feb 13, 2026 1 2 3 Next End