CVE-2026-74222 - U-Boot before 2026.10-rc5 Use-After-Free in lwIP wget Receive Callback

CVE-2026-74222 - U-Boot before 2026.10-rc5 Use-After-Free in lwIP wget Receive Callback

https://cvefeed.io/rssfeed/latest.atom / Wed, 09/30/2026 - 01:49
CVE ID :CVE-2026-74222
Published : Sept. 29, 2026, 10:18 p.m. | 54 minutes ago
Description :U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpc_recv_cb() function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERR_BUF instead of ERR_ABRT, causing the TCP input path to access released memory and crash the bootloader.
Severity: 8.8 | HIGH
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.