CVE-2026-12413

A flaw was found in Libreswan's IKEv2 fragment reassembly mechanism. When a VPN gateway processes incoming split network packets fragments containing unexpected data, an off-by-one boundary validation error triggers an internal program safety check assertion failure. A remote, unauthenticated...

CVE-2026-53363

A flaw was found in the Linux kernel's iptfs component, part of the IPSec framework. The iptfsconsumefrags function does not correctly propagate a flag indicating shared fragments. This can cause the Encapsulating Security Payload ESP to make incorrect security decisions regarding in-place...

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;...

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...

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

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 ...

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...

PT-2026-55314

Name of the Vulnerable Software and Affected Versions Libreswan affected versions not specified Description An invalidly formatted IKEv2 fragment can cause the pluto daemon to crash and restart, leading to a denial of service. The issue occurs within the reassemble v2 incoming fragments function,...

CVE-2026-13763

This CVE affects AWS Application Load Balancer (ALB) with AWS WAF enabled, where inconsistent interpretation of HTTP/2 requests can allow bypass of WAF body inspection when the request body is fragmented across frames, leading to partial inspection. Affected component: HTTP/2 ALB target groups; r...

CVE-2026-13762

CVE-2026-13762 involves an vulnerability in Amazon CloudFront when AWS WAF is enabled. The issue arises from an inconsistent interpretation of HTTP/2 requests, which can allow remote actors to bypass AWS WAF managed body‑inspection by fragmenting the request body across frames so that only a part...

RHEL 9 : gnutls (RHSA-2026:32962)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:32962 advisory. The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such a...

batman-adv: frag: disallow unicast fragment in fragment

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GHSA-QH5X-RFWF-RVFV Hysteria vulnerable to server crash when max_datagram_frame_size very small

Summary An authenticated client can crash the Hysteria server by advertising a very small QUIC maxdatagramframesize and then triggering a UDP response from the server. When the server tries to send the UDP response back via QUIC DATAGRAM, quic-go returns DatagramTooLargeError. The server then...

CVE-2026-53151

A flaw was found in the Linux kernel's AFRXRPC subsystem. This vulnerability involves incorrect handling of fragmented UDP packets when parsing the SACK Selective Acknowledgment table. An attacker could potentially craft a fragmented UDP packet to trigger an incorrect buffer access within the...

CVE-2026-13351

Zephyr’s IPv6 network stack is vulnerable to a denial-of-service caused by fragmented IPv6 packets. In the fragment-header processing path, the RX network packet buffer allocated from a memory slab is not released back to the pool after handling malicious fragments. Repeating such packets exhaust...