CVE-2026-88833

BusyBox: Mehrere Schwachstellen

Red Hat Enterprise Linux, Open Source BusyBox

A flaw was found in BusyBox's udhcpc DHCP client. When processing raw DHCP packets, the client replaces the validated packet length with an attacker-controlled value from the IP header without re-validating the minimum size. This leads to an integer underflow when subtracting header sizes, causing a subsequent memory copy with a massively oversized length. An attacker on the same network segment can send a specially crafted packet to crash the DHCP client, resulting in…

13. Okt 2026

Ausgewertete Quellen

• Red Hat
  https://access.redhat.com/errata/RHSA-2026:99577
• Red Hat
  https://access.redhat.com/security/cve/CVE-2026-88833
• Red Hat
  https://bugzilla.redhat.com/show_bug.cgi?id=2531347
• CERT-Bund
  WID-SEC-2026-3914
• NVD
  CVE-2026-88833