CVE-2026-15390

Das U-Boot with CONFIGIPDEFRAG=y parameter fails to clear IP reassembly state after delivering a complete datagram. An attacker who can deliver fragmented IP traffic can execute arbitrary code by sending duplicated last-fragment IP packets. This issue was fixed in commit...

UBUNTU-CVE-2026-15390

Das U-Boot with CONFIGIPDEFRAG=y parameter fails to clear IP reassembly state after delivering a complete datagram. An attacker who can deliver fragmented IP traffic can execute arbitrary code by sending duplicated last-fragment IP packets. This issue was fixed in commit...

CVE-2026-15390

Das U-Boot is vulnerable to an out-of-bounds write when the CONFIG_IP_DEFRAG=y parameter is enabled. The root cause is a failure to clear the IP reassembly state after a complete datagram is delivered. An attacker capable of delivering fragmented IP traffic can achieve arbitrary code execution by...

EUVD-2026-88699

Das U-Boot with CONFIGIPDEFRAG=y parameter fails to clear IP reassembly state after delivering a complete datagram. An attacker who can deliver fragmented IP traffic can execute arbitrary code by sending duplicated last-fragment IP packets. This issue was fixed in commit...

CVE-2026-15390 Out-of-bounds write in Das U-Boot

Das U-Boot with CONFIGIPDEFRAG=y parameter fails to clear IP reassembly state after delivering a complete datagram. An attacker who can deliver fragmented IP traffic can execute arbitrary code by sending duplicated last-fragment IP packets. This issue was fixed in commit...

CVE-2026-15390 Out-of-bounds write in Das U-Boot

Das U-Boot with CONFIGIPDEFRAG=y parameter fails to clear IP reassembly state after delivering a complete datagram. An attacker who can deliver fragmented IP traffic can execute arbitrary code by sending duplicated last-fragment IP packets. This issue was fixed in commit...

CVE-2026-80590

In the Linux kernel, the following vulnerability has been resolved: inet: frags: strip GSO state from fragments before reassembly A virtionethdr tun/tap, or AFPACKET with PACKETVNETHDR can mark an IPv4 or IPv6 fragment as GSO; nothing relates gsotype to fragoff...

Design/Logic Flaw

An Incorrect Behavior Order vulnerability in the MAP-E automatic tunneling mechanism of Juniper Networks Junos OS allows an attacker to send certain malformed IPv4 or IPv6 packets to cause a Denial of Service DoS to the PFE on the device which is disabled as a result of the processing of these...

CVE-2021-31379 Junos OS: MX Series: MPC 7/8/9/10/11 cards with MAP-E: PFE halts when an attacker sends malformed IPv4 or IPv6 traffic inside the MAP-E tunnel.

An Incorrect Behavior Order vulnerability in the MAP-E automatic tunneling mechanism of Juniper Networks Junos OS allows an attacker to send certain malformed IPv4 or IPv6 packets to cause a Denial of Service DoS to the PFE on the device which is disabled as a result of the processing of these...

CVE-2021-31379

An Incorrect Behavior Order vulnerability in the MAP-E automatic tunneling mechanism of Juniper Networks Junos OS allows an attacker to send certain malformed IPv4 or IPv6 packets to cause a Denial of Service DoS to the PFE on the device which is disabled as a result of the processing of these...

PT-2021-5119

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions 17.2R1 and later versions; Juniper Networks Junos OS versions 17.3 prior to 17.3R3-S9; Juniper Networks Junos OS versions 17.4 prior to 17.4R2-S12, 17.4R3-S3; Juniper Networks Junos OS versions 18.1 prior to...

The vulnerability of the ip_reass() function in the TCP-IP emulator library Libslirp, related to memory usage after deallocation, allows a hacker to trigger a denial-of-service attack.

The vulnerability of the ipreass function in the TCP-IP emulator library Libslirp is related to the use of memory after it is freed. Exploiting this vulnerability could allow a attacker to cause a service failure...

QEMU: slirp: use-after-free in ip_reass() function in ip_input.c

A use-after-free flaw was found in the SLiRP networking implementation of the QEMU emulator. Specifically, this flaw occurs in the ipreass routine while reassembling incoming IP fragments whose combined size is bigger than 65k. This flaw allows an attacker to crash the QEMU process on the host,...

QEMU: slirp: use-after-free in ip_reass() function in ip_input.c

A use-after-free flaw was found in the SLiRP networking implementation of the QEMU emulator. Specifically, this flaw occurs in the ipreass routine while reassembling incoming IP fragments whose combined size is bigger than 65k. This flaw allows an attacker to crash the QEMU process on the host,...

Citrix Security Advisory for TCP/IP Reassembly Resource Exhaustion

Description of Problem Several vulnerabilities in TCP/IP reassembly commonly known as SegmentSmack and FragmentSmack have recently been disclosed. SegmentSmack is CVE-2018-5390 for Linux and CVE-2018-6922 for FreeBSD. FragmentSmack is CVE-2018-5391 for Linux and CVE-2018-6923 for FreeBSD. These...

QEMU: slirp: use-after-free in ip_reass() function in ip_input.c

A use-after-free flaw was found in the SLiRP networking implementation of the QEMU emulator. Specifically, this flaw occurs in the ipreass routine while reassembling incoming IP fragments whose combined size is bigger than 65k. This flaw allows an attacker to crash the QEMU process on the host,...

QEMU: Slirp: use-after-free during packet reassembly

A use-after-free issue was found in the SLiRP networking implementation of the QEMU emulator. The issue occurs in ipreass routine while reassembling incoming packets, if the first fragment is bigger than the m-mdat buffer. A user or process could use this flaw to crash the QEMU process on the hos...

QEMU: slirp: use-after-free in ip_reass() function in ip_input.c

A use-after-free flaw was found in the SLiRP networking implementation of the QEMU emulator. Specifically, this flaw occurs in the ipreass routine while reassembling incoming IP fragments whose combined size is bigger than 65k. This flaw allows an attacker to crash the QEMU process on the host,...

Juniper Junos MX Series PFE Small Packet DoS (JSA11036)

According to its self-reported version, the remote Juniper Junos OS device is affected by a denial of service DoS vulnerability. When a device running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by L2TP, MAP-E...

Juniper Junos MX Series PFE Large Packet DoS (JSA11041)

According to its self-reported version, the remote Juniper Junos OS device is affected by a denial of service DoS vulnerability. When a device running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by L2TP, MAP-E...