https://blog.vyos.io VyOS Platform Project news and updates All about development and project life in our blog en Mon, 09 Nov 2026 19:25:40 GMT 2026-11-09T19:25:40Z en https://blog.vyos.io/vyos-1.5.1-s1-and-1.4.5-s1-security-releases <div class="hs-featured-image-wrapper"> <a href="https://blog.vyos.io/vyos-1.5.1-s1-and-1.4.5-s1-security-releases" title="" class="hs-featured-image-link"> <img src="https://blog.vyos.io/hubfs/vyos_datasheet_lts_1.5.1-s1_1.4.5-s1_linkedin.png" alt="VyOS 1.5.1-S1 and 1.4.5-S1 security release announcement with Linux kernel and FRR fixes" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"> </a> </div> <p><span>Hello, Community!</span></p> <p><span>VyOS 1.5.1-S1 and VyOS 1.4.5-S1 are available, and subscribers can download images from the Support Portal.</span></p> <p><span>Both are security releases. They replace VyOS 1.5.1 and VyOS 1.4.5 and contain only security fixes: two in the Linux kernel for both versions, and three more in FRR for 1.5.1-S1. If you run VyOS 1.5.1 or 1.4.5 or older, upgrade promptly.</span></p> <div class="hs-featured-image-wrapper"> <a href="https://blog.vyos.io/vyos-1.5.1-s1-and-1.4.5-s1-security-releases" title="" class="hs-featured-image-link"> <img src="https://blog.vyos.io/hubfs/vyos_datasheet_lts_1.5.1-s1_1.4.5-s1_linkedin.png" alt="VyOS 1.5.1-S1 and 1.4.5-S1 security release announcement with Linux kernel and FRR fixes" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"> </a> </div> <p><span>Hello, Community!</span></p> <p><span>VyOS 1.5.1-S1 and VyOS 1.4.5-S1 are available, and subscribers can download images from the Support Portal.</span></p> <p><span>Both are security releases. They replace VyOS 1.5.1 and VyOS 1.4.5 and contain only security fixes: two in the Linux kernel for both versions, and three more in FRR for 1.5.1-S1. If you run VyOS 1.5.1 or 1.4.5 or older, upgrade promptly.</span></p> <img src="https://track.hubspot.com/__ptq.gif?a=4129050&amp;k=14&amp;r=https%3A%2F%2Fblog.vyos.io%2Fvyos-1.5.1-s1-and-1.4.5-s1-security-releases&amp;bu=https%253A%252F%252Fblog.vyos.io&amp;bvt=rss" alt="" width="1" height="1" style="min-height:1px!important;width:1px!important;border-width:0!important;margin-top:0!important;margin-bottom:0!important;margin-right:0!important;margin-left:0!important;padding-top:0!important;padding-bottom:0!important;padding-right:0!important;padding-left:0!important; "> bgp frr release security VyOS Networks CVE Linux Kernel Mon, 09 Nov 2026 18:16:13 GMT daniil@sentrium.io (Daniil Baturin) https://blog.vyos.io/vyos-1.5.1-s1-and-1.4.5-s1-security-releases 2026-11-09T18:16:13Z