CVE-2026-73460 Security Advisory 0160

On affected platforms running Arista EOS with IS-IS graceful restart enabled, an unauthenticated attacker who can inject a malformed IS-IS LSP PDU packet can cause the IS-IS graceful restart procedure to terminate prematurely. This may result in traffic loss following a restart event...

CVE-2026-73460 Security Advisory 0160

On affected platforms running Arista EOS with IS-IS graceful restart enabled, an unauthenticated attacker who can inject a malformed IS-IS LSP PDU packet can cause the IS-IS graceful restart procedure to terminate prematurely. This may result in traffic loss following a restart event...

CVE-2026-73459 Security Advisory 0160

On affected platforms running Arista EOS with IS-IS configured, an unauthenticated attacker who can inject a specially crafted IS-IS LSP PDU can cause the legitimate LSP to be unexpectedly purged from the IS-IS link-state database. This may result in traffic loss...

CVE-2026-73459

CVE-2026-73459 affects Arista EOS with IS-IS configured (versions 4.36.1F and below in the 4.36.x train). An unauthenticated attacker in the same Layer 2 domain can inject a specially crafted IS-IS LSP PDU, causing the legitimate LSP to be purged from the link-state database due to a checksum val...

PT-2026-93219

On affected platforms running Arista EOS with IS-IS configured, an unauthenticated attacker who can inject a specially crafted IS-IS LSP PDU can cause the legitimate LSP to be unexpectedly purged from the IS-IS link-state database. This may result in traffic loss...

FreeBSD : ethereal -- multiple protocol dissectors vulnerabilities (5d51d245-00ca-11da-bc08-0001020eed82)

An Ethreal Security Advisories reports : Our testing program has turned up several more security issues : - The LDAP dissector could free static memory and crash. - The AgentX dissector could crash. - The 802.3 dissector could go into an infinite loop. - The PER dissector could abort. - The DHCP...