https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 11:32:48 +0000 https://cve.radiocsirt.org/vuln/cve-2026-57030 <p><strong>Affected:</strong> Juniper Networks Junos OS</p> <p>A Concurrent Execution using Shared Resource with Improper Synchronization (&#39;Race Condition&#39;) vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).</p> <p>As part of the stateful traffic processing on SRX Series devices flows are being established, and removed when not needed anymore. During the removal process the timeout of a flow should be set to 3 seconds and consequentially the flow should be removed shortly after. Due to a race condition occurring when setting the timeout there is a chance (the exact conditions are outside the attackers control) that the timeout is instead set to a very high value of larger than 10,000 seconds:</p> <p>user@host&gt; show security flow session | match timeout Session ID: 98784248524, Policy name: PROD-FLOW/4, HA State: Active, Timeout: 85250, Session State: Valid</p> <p>This will lead to an accumulation of flows which can be observed by an ever-increasing value of invalidated sessions in the output of &#39;show security flow session summary&#39;:</p> <p>user@host&gt; show security flow session summary | match invalid Invalidated sessions: 216931These sessions can&#39;t be cleared manually with the &#39;clear security flow session&#39; command, which will either lead to forwarding to stop (and the system needs to be manually recovered with a reboot) or to a flowd core and automatic reboot.</p> <p>This issue affects Junos OS on SRX Series:</p> <p>* 24.2 versions before…</p> <p><strong>Affected:</strong> Juniper Networks Junos OS</p> <p>A Concurrent Execution using Shared Resource with Improper Synchronization (&#39;Race Condition&#39;) vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).</p> <p>As part of the stateful traffic processing on SRX Series devices flows are being established, and removed when not needed anymore. During the removal process the timeout of a flow should be set to 3 seconds and consequentially the flow should be removed shortly after. Due to a race condition occurring when setting the timeout there is a chance (the exact conditions are outside the attackers control) that the timeout is instead set to a very high value of larger than 10,000 seconds:</p> <p>user@host&gt; show security flow session | match timeout Session ID: 98784248524, Policy name: PROD-FLOW/4, HA State: Active, Timeout: 85250, Session State: Valid</p> <p>This will lead to an accumulation of flows which can be observed by an ever-increasing value of invalidated sessions in the output of &#39;show security flow session summary&#39;:</p> <p>user@host&gt; show security flow session summary | match invalid Invalidated sessions: 216931These sessions can&#39;t be cleared manually with the &#39;clear security flow session&#39; command, which will either lead to forwarding to stop (and the system needs to be manually recovered with a reboot) or to a flowd core and automatic reboot.</p> <p>This issue affects Junos OS on SRX Series:</p> <p>* 24.2 versions before…</p> https://cve.radiocsirt.org/vuln/cve-2026-57030