CVE-2026-53263

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in lowpaniphcmcastctxaddrcompress uses &data1 as destination and &ipaddr-s6addr11 as source, but both should be offset by one: &data2 and...

CVE-2026-53263

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in lowpaniphcmcastctxaddrcompress uses 1 as destination and &ipaddr-;s6addr11 as source, but both should be offset by one: 2 and &ipaddr-;s6addr12...

EUVD-2026-39214

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in lowpaniphcmcastctxaddrcompress uses &data1 as destination and &ipaddr-s6addr11 as source, but both should be offset by one: &data2 and...

CVE-2026-53263

CVE-2026-53263 is reported in OSV entries as affecting the rootio-linux package in Ubuntu/Debian environments, with patches available in multiple fixed versions (e.g., Root:Ubuntu:22.04 and Root:Ubuntu:24.04; Debian 11/12 tracks). The Debian/Ubuntu Nessus OSV entries note patches for these distri...

CVE-2026-53263 6lowpan: fix off-by-one in multicast context address compression

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in lowpaniphcmcastctxaddrcompress uses &data1 as destination and &ipaddr-s6addr11 as source, but both should be offset by one: &data2 and...

PT-2026-52358

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An off-by-one error exists in the lowpan iphc mcast ctx addr compress function. The second memcpy operation incorrectly uses &data1 as the destination and &ipaddr-s6 addr11 as the source...