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

🗓️ 25 Jun 2026 08:39:51Reported by GoogleType

osv🔗 osv.dev👁 1 Views

Linux kernel sixlowpan fixes an off-by-one in multicast address compression to prevent RIID overwrite and kernel stack leakage.

Reporter	Title	Published	Views	Family All 30
ATTACKERKB	CVE-2026-53263	25 Jun 202608:39	–	attackerkb
CBLMariner	CVE-2026-53263 affecting package kernel for versions less than 6.6.143.1-1	8 Jul 202616:02	–	cbl_mariner
Chainguard	CVE-2026-53263 vulnerabilities	9 Jul 202620:31	–	cgr
Circl	CVE-2026-53263	25 Jun 202609:55	–	circl
CVE	CVE-2026-53263	25 Jun 202608:39	–	cve
Cvelist	CVE-2026-53263 6lowpan: fix off-by-one in multicast context address compression	25 Jun 202608:39	–	cvelist
Debian	[SECURITY] [DLA 4664-1] linux security update	3 Jul 202615:51	–	debian
Debian	[SECURITY] [DLA 4665-1] linux security update	3 Jul 202618:38	–	debian
Debian	[SECURITY] [DLA 4671-1] linux-6.1 security update	5 Jul 202618:24	–	debian
Debian CVE	CVE-2026-53263	25 Jun 202608:39	–	debiancve

Source	Link
git	www.git.kernel.org/stable/c/06ce6fc106b16dec9b535950db626261be865e5b
git	www.git.kernel.org/stable/c/2a58899d11009bffc7b4b32a571858f381121837
git	www.git.kernel.org/stable/c/4485d79617520d84ba5a14515e2b5136007d6deb
git	www.git.kernel.org/stable/c/c32f30ef5e66adbfa102348e2e8a23776eb007cb
git	www.git.kernel.org/stable/c/da8808463882c3f3c357b072e25053c2121f1419
git	www.git.kernel.org/stable/c/da8cbb64b47e9066b40af0de170901caf17b768c
git	www.git.kernel.org/stable/c/dcb1bec1c32ee5c3878354e087cf5dbee2b7c7af
git	www.git.kernel.org/stable/c/f24a58c72a45f4c109f3557a760cc4b60b7a6037
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53263.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-53263

09 Jul 2026 20:59Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.15.5

EPSS0.00119