CVE-2026-78011 Fireware OS Integer Underflow in Iked Allows Unauthenticated Denial of Service (DoS)

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-19314 Fireware OS Integer Underflow in iked Allows Unauthenticated Denial of Service (DoS)

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-19314 Fireware OS Integer Underflow in iked Allows Unauthenticated Denial of Service (DoS)

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-19314

CVE-2026-19314 is an integer underflow vulnerability in the iked process of WatchGuard Fireware OS . A remote unauthenticated attacker can trigger a Denial of Service condition in VPN processing by sending specially crafted network traffic , resulting in a high availability impact (CVSS 4.0: 8.7 ...

CVE-2026-71401

An integer underflow was found in the DHCPv4 packet capture code of wicked. nicaptureinspectudpheader in src/capture.c does not verify that the IP total length field iplen is at least as large as the IP header length ihl before subtracting the header length. An unauthenticated attacker on the sam...

SUSE CVE-2026-71401

An integer underflow was found in the DHCPv4 packet capture code of wicked. nicaptureinspectudpheader in src/capture.c does not verify that the IP total length field iplen is at least as large as the IP header length ihl before subtracting the header length. An unauthenticated attacker on the sam...

CVE-2026-71401

An integer underflow in the wicked DHCPv4 packet capture code (function ni_capture_inspect_udp_header() in src/capture.c) allows an unauthenticated attacker on an adjacent network to trigger an out-of-bounds read past the receive buffer in the wickedd-dhcp4 daemon. The IP total length field is no...

CVE-2026-71401

An integer underflow was found in the DHCPv4 packet capture code of wicked. nicaptureinspectudpheader in src/capture.c does not verify that the IP total length field iplen is at least as large as the IP header length ihl before subtracting the header length. An unauthenticated attacker on the sam...

CVE-2026-71401 wicked: integer underflow of the UDP length in ni_capture_inspect_udp_header() leads to an out-of-bounds read

An integer underflow was found in the DHCPv4 packet capture code of wicked. nicaptureinspectudpheader in src/capture.c does not verify that the IP total length field iplen is at least as large as the IP header length ihl before subtracting the header length. An unauthenticated attacker on the sam...

EUVD-2026-67079

An integer underflow was found in the DHCPv4 packet capture code of wicked. nicaptureinspectudpheader in src/capture.c does not verify that the IP total length field iplen is at least as large as the IP header length ihl before subtracting the header length. An unauthenticated attacker on the sam...

CVE-2026-71401 wicked: integer underflow of the UDP length in ni_capture_inspect_udp_header() leads to an out-of-bounds read

An integer underflow was found in the DHCPv4 packet capture code of wicked. nicaptureinspectudpheader in src/capture.c does not verify that the IP total length field iplen is at least as large as the IP header length ihl before subtracting the header length. An unauthenticated attacker on the sam...

USN-8686-1 opencryptoki vulnerabilities

It was discovered that primitive decoders in openCryptoki produced integer underflows when the encoded length was zero. An attacker could possibly use this issue to trigger out-of-bounds reads. CVE-2026-40253 It was discovered that openCryptoki incorrectly handled symlinks. An attacker in the...

USN-8686-1: openCryptoki vulnerabilities

It was discovered that primitive decoders in openCryptoki produced integer underflows when the encoded length was zero. An attacker could possibly use this issue to trigger out-of-bounds reads. CVE-2026-40253 It was discovered that openCryptoki incorrectly handled symlinks. An attacker in the...

CVE-2026-80584

A flaw was found in the Linux kernel's s390/qeth component. This vulnerability allows a local attacker to trigger an integer underflow when handling user-supplied buffer lengths in the qethsnmpcommand and qethl3arpquery functions. This can lead to an out-of-bounds write, potentially causing memor...

EUVD-2026-66499

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatalen without checking a lower bound, then set udataoffset to a fixed...

SUSE CVE-2026-80584

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatalen without checking a lower bound, then set udataoffset to a fixed...

CVE-2026-71401: Integer Underflow (Wrap or Wraparound)

An integer underflow was found in the DHCPv4 packet capture code of wicked. nicaptureinspectudpheader in src/capture.c does not verify that the IP total length field iplen is at least as large as the IP header length ihl before subtracting the header length. An unauthenticated attacker on the sam...

PT-2026-82547

Name of the Vulnerable Software and Affected Versions wicked versions prior to 0.6.81 Description An integer underflow exists in the DHCPv4 packet capture code of the wickedd-dhcp4 client. The function ni capture inspect udp header in src/capture.c fails to verify that the IP total length field i...

PT-2026-82826

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

PT-2026-82841

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...