PT-2026-72690

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the IPv6 TCP implementation where the ip6 default advmss function can return a value of 65535 IPV6 MAXPLEN when the Maximum Transmission Unit MTU is large. This value ...

PT-2026-72834

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the IPv6 address configuration. The addrconf dad failure function transitions the ifp-state from DAD to POSTDAD via addrconf dad end, which releases the...

PT-2026-72438

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter module where the nf ct frag6 reasm function unconditionally advances the skb-mac header variable after sliding the packet head forward to drop the IPv6...

PT-2026-72617

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A type confusion issue exists in the IPv6 IOAM In-situ Operations, Administration, and Maintenance implementation. The system uses a dummy dst entry null dst within the ioam6 lwt structu...

CVE-2026-72348: Undefined Security Weakness

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...

CVE-2026-72429: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix type confusion of dstentry IOAM uses a dummy dstentrynulldst 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 dstcachesetip...

PT-2026-73014

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the Linux kernel during nexthop replacement. The functions fib6 check nh list and nexthop replace notify traverse the nh-f6i list without holding th...

PT-2026-73013

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the Linux kernel within the nh rt cache flush function, which is inlined into rtm new nexthop. The problem occurs when nh rt cache flush traverses t...

PT-2026-72189

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the IPVS component where incorrect IPv6 transport offsets are used. The TCP application code incorrectly assumes an IPv4 network header even when the ipvsh argument is...

PT-2026-73015

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the Linux kernel. The function rds tcp laddr check retrieves a scoped IPv6 interface using dev get by index rcu but releases the RCU read-side lock...

PT-2026-72210

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the IPVS IP Virtual Server component where the set sctp state function incorrectly reads the SCTP chunk header for IPv6 packets containing extension headers. Instead o...

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...

SUSE CVE-2026-73213

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.16.0, addrlesseq in src/client/nsturnioaddr.c uses a component-wise comparison for native IPv6 min-max intervals in ioaaddrinrange, allowing an authenticated TURN client to relay to an IPv6 peer that is numerically...

PT-2026-72061

Name of the Vulnerable Software and Affected Versions TOTOLINK A800R version 4.1.2cu.5137 B20200730 Description A stack-based buffer overflow exists in the setRadvdCfg function within the /cgi-bin/cstecgi.cgi file of the ipv6.so component. This issue can be triggered remotely by manipulating the...

CVE-2026-19844: Stack-based Buffer 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...