CVE-2026-15893 Zephyr IPv6 Neighbor Discovery zero reachable time from crafted Router Advertisement causes assertion/DoS

netifipv6calcreachabletime in subsys/net/ip/netif.c derives a randomized ND reachable time from ipv6-basereachabletime as minreachable + sysrand32get % maxreachable - minreachable, where minreachable = base/2 and maxreachable = 3base/2 using integer division. When basereachabletime is 1, both...

CVE-2026-15893 Zephyr IPv6 Neighbor Discovery zero reachable time from crafted Router Advertisement causes assertion/DoS

netifipv6calcreachabletime in subsys/net/ip/netif.c derives a randomized ND reachable time from ipv6-basereachabletime as minreachable + sysrand32get % maxreachable - minreachable, where minreachable = base/2 and maxreachable = 3base/2 using integer division. When basereachabletime is 1, both...

CVE-2026-76443

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76440

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-20353

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76440

CVE-2026-76440 affects Cisco Secure Email Gateway and Cisco Secure Email and Web Manager , addressing path traversal issues (CWE-23) discovered during an internal security review. Cisco assigned a CVSS 3.1 base score of 9.8 (CRITICAL) with a network attack vector requiring no privileges or user i...

EUVD-2026-77621

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-20353 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76440 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

EUVD-2026-77620

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: clk: bcm: rpi: Prevent out-of-bounds access The while loop in raspberrypidiscoverclocks relies on the assumption that the ID of the last clock element is zero. Since this data comes from the Videocore firmware, and it does not...

Astra Linux – Vulnerability in edk2

EDK2’s Network Package is vulnerable to an out-of-bounds read vulnerability when processing the Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially result in a loss of confidentiality...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: NET: bonding: Fixed a NULL dereference of the ndtbl variable when IPv6 is disabled. When booting with the ‘ipv6.disable=1’ parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called, which...

AI Changed the Exposure Problem. Validation Needs to Change With It.

There's a lot of noise around AI and cybersecurity right now. What’s actually important is far simpler, if often lost in the hubbub. Vulnerability discovery is getting faster and happening at a much greater scale, while defenders still have to work out which findings actually deserve their action...

CVE-2026-90707

A security flaw has been discovered in Open5GS up to 2.7.x. Affected is the function amfnnrftryoldamfdiscoveryfallback of the file src/amf/nnrf-handler.c of the component Old AMF Discovery Fallback. The manipulation of the argument discoveryoption results in use after free. The attack may be...

Microsoft’s Patching

Once a month, Microsoft pushes a security update to all Windows users. Tomorrow's is a new record: Microsoft's patch for September is a doozy, with a record number of roughly 972 vulnerabilities fixed and 112 of them meeting the high critical-severity threshold. It was only two months ago that...

EUVD-2026-77377

A security flaw has been discovered in Open5GS up to 2.7.x. Affected is the function amfnnrftryoldamfdiscoveryfallback of the file src/amf/nnrf-handler.c of the component Old AMF Discovery Fallback. The manipulation of the argument discoveryoption results in use after free. The attack may be...

CVE-2026-90707 Open5GS Old AMF Discovery Fallback nnrf-handler.c amf_nnrf_try_old_amf_discovery_fallback use after free

A security flaw has been discovered in Open5GS up to 2.7.x. Affected is the function amfnnrftryoldamfdiscoveryfallback of the file src/amf/nnrf-handler.c of the component Old AMF Discovery Fallback. The manipulation of the argument discoveryoption results in use after free. The attack may be...

CVE-2026-90707 Open5GS Old AMF Discovery Fallback nnrf-handler.c amf_nnrf_try_old_amf_discovery_fallback use after free

A security flaw has been discovered in Open5GS up to 2.7.x. Affected is the function amfnnrftryoldamfdiscoveryfallback of the file src/amf/nnrf-handler.c of the component Old AMF Discovery Fallback. The manipulation of the argument discoveryoption results in use after free. The attack may be...

CVE-2026-90707

Open5GS up to 2.7.x is affected by a use after free vulnerability in the Old AMF Discovery Fallback component, specifically in the function amf_nnrf_try_old_amf_discovery_fallback (file src/amf/nnrf-handler.c). Manipulation of the discovery_option argument triggers the flaw. The attack is remote ...