No analysis available yet.
Vendor Workaround
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Tracking
Sign in to view the affected projects.
No advisories yet.
Wed, 11 Nov 2026 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in BusyBox. When the TFTP (Trivial File Transfer Protocol) client requests a custom small block size and receives a standard response, it falls back to the default block size without resizing the allocated memory buffer. A malicious TFTP server can exploit this issue by sending standard-sized network packets during a transfer, causing a heap buffer overflow. This flaw allows an attacker to achieve arbitrary code execution or cause a Denial of Service (DoS) by crashing the application. | |
| Title | Busybox: heap buffer overflow in the tftp client on fallback to the default block size | |
| First Time appeared |
Redhat
Redhat hummingbird Redhat rhel Els |
|
| Weaknesses | CWE-787 | |
| CPEs | cpe:/a:redhat:hummingbird:1 cpe:/o:redhat:rhel_els:6 |
|
| Vendors & Products |
Redhat
Redhat hummingbird Redhat rhel Els |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-11-11T09:40:57.419Z
Reserved: 2026-11-09T11:36:29.478Z
Link: CVE-2026-124737
No data.
Status : Awaiting Analysis
Published: 2026-11-11T10:16:43.620
Modified: 2026-11-11T10:16:43.743
Link: CVE-2026-124737
No data.
OpenCVE Enrichment
No data.
-
CWE-787
Out-of-bounds Write