PT-2026-72536

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6tables: mark malformed IPv6 extension headers for hotdrop The ah, hbh and rt matches check that the fixed extension header is present, then use the header length field to derive the advertised extension header lengt...

PT-2026-73002

In the Linux kernel, the following vulnerability has been resolved: net: do not send ICMP/NDISC Redirects when peer allocation fails When inet getpeer v4 or inet getpeer v6 fails to allocate a peer entry under memory pressure or tree size caps, redirect handlers previously fell back to sending...

Linux Distros Unpatched Vulnerability : CVE-2026-72392

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: fib6: fix NULL deref in fib6walkcontinue on multi-batch dump inet6dumpfib saves its progress in cb-args1 as a positional index within the current hash...

Linux Distros Unpatched Vulnerability : CVE-2026-74563

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU...

PT-2026-72438

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf conntrack reasm: guard mac header adjustment after IPv6 defrag nf ct frag6 reasm slides the packet head forward to drop the IPv6 fragment header and then unconditionally advances skb-mac header: skb-mac header +=...

PT-2026-72834

In the Linux kernel, the following vulnerability has been resolved: ipv6: addrconf: bail out of dad failure when state is no longer POSTDAD addrconf dad failure transitions ifp-state from DAD to POSTDAD via addrconf dad end, which drops ifp-lock on return. The lock is re-acquired after net info...

PT-2026-72617

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix type confusion of dst entry IOAM uses a dummy dst entrynull dst to mark that the destination should not be changed after the transformation. This dst is stored in the IOAM lwt state and may be passed to dst cache...

PT-2026-72189

In the Linux kernel, the following vulnerability has been resolved: ipvs: fix more places with wrong ipv6 transport offsets Sashiko reports for more incorrect IPv6 transport offsets. The app code for TCP was assuming IPv4 network header even after the ipvsh argument was provided. This can cause...

PT-2026-72210

In the Linux kernel, the following vulnerability has been resolved: ipvs: use parsed transport offset in SCTP state lookup set sctp state reads the SCTP chunk header again in order to drive the IPVS SCTP state table. For IPv6 it computes the offset with sizeofstruct ipv6hdr, while the surrounding...

PT-2026-73013

In the Linux kernel, the following vulnerability has been resolved: nexthop: avoid unlocked f6i list walk in nh rt cache flush nh rt cache flush walks nh-f6i list during an RTNL-serialized nexthop replace without holding nh-lock, racing the unlocked IPv6 route add/delete that mutate the list unde...

PT-2026-73015

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6 chk addr in rds tcp laddr check rds tcp laddr check looks up a scoped IPv6 interface with dev get by index rcu, drops the RCU read-side lock, and only then passes the bare struct net device...

PT-2026-73014

In the Linux kernel, the following vulnerability has been resolved: nexthop: take nh-lock for f6i list walks in replace check and notify fib6 check nh list and nexthop replace notify walk nh-f6i list during an RTNL-serialized nexthop replace without holding nh-lock. IPv6 RTM NEWROUTE/RTM DELROUTE...

CVE-2026-73213

A flaw was found in Coturn. An authenticated TURN client can bypass configured IP address restrictions due to an incorrect component-wise IPv6 comparison in the addrlesseq function. This allows the client to relay traffic to an IPv6 peer that should be denied, leading to a Server-Side Request...

CVE-2026-19844

A vulnerability was found in TOTOLINK A800R 4.1.2cu.5137B20200730. The impacted element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component ipv6.so. Performing a manipulation of the argument radvdinterfacename results in stack-based buffer overflow. It is possible to...

CVE-2026-19844

A vulnerability was found in TOTOLINK A800R 4.1.2cu.5137B20200730. The impacted element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component ipv6.so. Performing a manipulation of the argument radvdinterfacename results in stack-based buffer overflow. It is possible to...

EUVD-2026-58726

A vulnerability was found in TOTOLINK A800R 4.1.2cu.5137B20200730. The impacted element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component ipv6.so. Performing a manipulation of the argument radvdinterfacename results in stack-based buffer overflow. It is possible to...

CVE-2026-19844

TOTOLINK A800RR 4.1.2cu.5137_B20200730 is affected by a stack-based buffer overflow in the IPv6 component ipv6.so, specifically in function setRadvdCfg of /cgi-bin/cstecgi.cgi. Manipulating the argument radvdinterfacename triggers the overflow. The vulnerability can be exploited remotely, and pub...

CVE-2026-19844 TOTOLINK A800R ipv6.so cstecgi.cgi setRadvdCfg stack-based overflow

A vulnerability was found in TOTOLINK A800R 4.1.2cu.5137B20200730. The impacted element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component ipv6.so. Performing a manipulation of the argument radvdinterfacename results in stack-based buffer overflow. It is possible to...

CVE-2026-73530 Flyto2 Core < 2.28.0 SSRF Guard Bypass via is_private_ip()

Flyto2 Core before 2.28.0 contains a server-side request forgery guard bypass vulnerability that allows attackers to reach internal services by supplying URLs using the unblocked IPv6 address :: which the kernel routes to loopback identically to 0.0.0.0. Attackers can submit requests or trigger 3...

CVE-2026-73530

Flyto2 Core before 2.28.0 contains a server-side request forgery guard bypass vulnerability that allows attackers to reach internal services by supplying URLs using the unblocked IPv6 address :: which the kernel routes to loopback identically to 0.0.0.0. Attackers can submit requests or trigger 3...