Vulnerabilities

U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in net/nfs-common.c when processing NFS server responses.

U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader.

Read at NIST National Vulnerability Database (CVE API 2.0)

CVSS

8.2

• NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
• CVE-2026-74221 on this site · NVD · CVE.org · Vulnpedia

Other items that share a CVE or were clustered with this one.

1. 25
   Ubuntu notice Ubuntu 10d ago

   U-Boot vulnerabilities

   CVE-2026-74220CVE-2026-74221CVE-2026-74222+1 more Canonical
2. 10
   CVE NVD 29 Sep 2026

   U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_read_reply() function in net/nfs-common.c that allows attackers to corrupt memory by…

   CVSS 8.2 CVE-2026-74220