OESA-2026-2912 libreswan security update

Libreswan is an implementation of IKEv1 and IKEv2 for IPsec. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks. Everything passing through the...

OESA-2026-2911 libreswan security update

Libreswan is an implementation of IKEv1 and IKEv2 for IPsec. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks. Everything passing through the...

OESA-2026-2910 libreswan security update

Libreswan is an implementation of IKEv1 and IKEv2 for IPsec. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks. Everything passing through the...

OESA-2026-2909 libreswan security update

Libreswan is an implementation of IKEv1 and IKEv2 for IPsec. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks. Everything passing through the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: Fixed a memory leak in skbSegmentList for GRO packets When skbSegmentList is called during packet forwarding, it handles packets that were aggregated by the GRO engine. Historically, the segmentation logic in skbSegmentList...

Important: kernel6.18

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path CVE-2026-53362 In the Linux kernel, the following vulnerability has been resolved: ipv4: account for fraggap on the paged allocation path CVE-2026-53366...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path CVE-2026-53362 In the Linux kernel, the following vulnerability has been resolved: ipv4: account for fraggap on the paged allocation path CVE-2026-53366...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path CVE-2026-53362 In the Linux kernel, the following vulnerability has been resolved: ipv4: account for fraggap on the paged allocation path CVE-2026-53366...

kernel: ipv4: account for fraggap on the paged allocation path

A flaw was found in the Linux kernel's handling of IPv4 network packets. An error in how the kernel accounts for fragmented data during memory allocation can lead to an undersized memory buffer. This memory handling issue could potentially be exploited by a remote attacker to cause a system crash...

CVE-2026-53362

In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In ip6appenddata, when the paged-allocation branch is taken MSGMORE / NETIFFSG / large fraglen, alloclen and pagedlen are computed as alloclen = fragheaderlen + transhdrlen;...

CVE-2026-53362 ipv6: account for fraggap on the paged allocation path

In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In ip6appenddata, when the paged-allocation branch is taken MSGMORE / NETIFFSG / large fraglen, alloclen and pagedlen are computed as alloclen = fragheaderlen + transhdrlen;...

IKEv2 Denial of Service via malformed fragmentation

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EUVD-2026-41439

An invalidly formatted IKEv2 fragment causes the Libreswan pluto daemon to crash and restart. Continued exploitation would cause a denial of service. The function reassemblev2incomingfragments would ignore unknown outer payloads but still store these in a fixed size array msgdigest.digestPAYLIMIT...

Linux Distros Unpatched Vulnerability : CVE-2026-12413

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An invalidly formatted IKEv2 fragment causes the Libreswan pluto daemon to crash and restart. Continued exploitation would cause a denial of service. The functi...

DEBIAN-CVE-2026-12413

An invalidly formatted IKEv2 fragment causes the Libreswan pluto daemon to crash and restart. Continued exploitation would cause a denial of service. The function reassemblev2incomingfragments would ignore unknown outer payloads but still store these in a fixed size array msgdigest.digestPAYLIMIT...

CVE-2026-12413

An invalidly formatted IKEv2 fragment causes the Libreswan pluto daemon to crash and restart. Continued exploitation would cause a denial of service. The function reassemblev2incomingfragments would ignore unknown outer payloads but still store these in a fixed size array msgdigest.digestPAYLIMIT...

CVE-2026-12413

An invalidly formatted IKEv2 fragment causes the Libreswan pluto daemon to crash and restart. Continued exploitation would cause a denial of service. The function reassemblev2incomingfragments would ignore unknown outer payloads but still store these in a fixed size array msgdigest.digestPAYLIMIT...

UBUNTU-CVE-2026-12413

An invalidly formatted IKEv2 fragment causes the Libreswan pluto daemon to crash and restart. Continued exploitation would cause a denial of service. The function reassemblev2incomingfragments would ignore unknown outer payloads but still store these in a fixed size array msgdigest.digestPAYLIMIT...

CVE-2026-12413

An invalidly formatted IKEv2 fragment causes the Libreswan pluto daemon to crash and restart. Continued exploitation would cause a denial of service. The function reassemblev2incomingfragments would ignore unknown outer payloads but still store these in a fixed size array msgdigest.digestPAYLIMIT...

CVE-2026-12413

The CVE-2026-12413 issue affects Libreswan’s pluto daemon and is triggered by an invalidly formatted IKEv2 fragment. The root cause is an off-by-one error in the assertion within reassemble_v2_incoming_fragments(), which can cause the daemon to abort when handling certain outer payloads that are ...