CVE-2026-5265

When generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a portion of the original packet into the ICMP error body using the IP header's self-declared total length iptotlen for IPv4, ip6plen for IPv6 without validating it against the actual packet buffer size...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013072)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013072 advisory. In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix null pointer deref when receiving skb during sock creation The panic below is...

UBUNTU-CVE-2026-5265

When generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a portion of the original packet into the ICMP error body using the IP header's self-declared total length iptotlen for IPv4, ip6plen for IPv6 without validating it against the actual packet buffer size...

CLSA-2026-1776174115 squid: Fix of 3 CVEs

CVE-2026-32748: ICP: fix HttpRequest lifetime for ICP v3 queries - CVE-2026-33515: ICP: fix validation of packet sizes and URLs - CVE-2026-33526: do not escape malformed URI twice when sending ICP errors...

EUVD-2026-21206

An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow daemon flowd of Juniper Networks Junos OS on SRX Series allows an attacker sending a specific, malformed ICMPv6 packet to cause the srxpfe process to crash and restart. Continued receipt and processing of these...

PT-2026-31806

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on SRX Series versions prior to 21.2R3-S10, all versions of 21.3, versions 21.4 through 21.4R3-S12, all versions of 22.1, versions 22.2 through 22.2R3-S8, all versions of 22.4, versions 22.4 through 22.4R3-S9, version...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006721)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006721 advisory. In the Linux kernel, the following vulnerability has been resolved: tunnels: fix kasan splat when generating ipv4 pmtu error If we try to emit an icmp error in...

UBUNTU-CVE-2026-23398

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23398 icmp: fix NULL pointer dereference in icmp_tag_validation()

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23398

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23381

A flaw was found in the Linux kernel's network bridging component. When Internet Protocol version 6 IPv6 is explicitly disabled, a critical data structure for Neighbor Discovery is not properly initialized. A remote attacker could exploit this by sending a specially crafted Internet Control Messa...

PT-2026-46029

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the handling of RAW sockets using the IPPROTO RAW protocol. A malicious incoming ICMP packet can have its protocol field set to 255, allowing it to match a socket...

CVE-2026-21906

An Improper Handling of Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on SRX Series allows an unauthenticated network-based attacker sending a specific ICMP packet through a GRE tunnel to cause the PFE to crash and restart. When PowerMode...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004315)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004315 advisory. A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass...

CVE-2026-21906

CVE-2026-21906 overview (Junos OS SRX Series) A vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series can be triggered by a specific ICMP packet routed through a GRE tunnel when PowerMode IPsec (PMI) and GRE performance acceleration are enabled. An unauthe...

EUVD-2026-2681

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

CVE-2026-0203

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

CVE-2026-0203 Junos OS: Receipt of a specifically malformed ICMP packet causes an FPC restart

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002327)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002327 advisory. The pingunhash function in net/ipv4/ping.c in the Linux kernel before 4.0.3 does not initialize a certain list data structure during an unhash operation, which allow...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000680)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000680 advisory. Race condition in the inetfragintern function in net/ipv4/inetfragment.c in the Linux kernel through 3.13.6 allows remote attackers to cause a denial of service...