Vulnerability · Published Aug 19, 2026 · Assigned by VulDB
CVE-2026-76014BusyBox FEATURE_WGET_TIMEOUT wget.c null pointer dereference
Low 3.3
In plain English
A low-severity null pointer dereference in BusyBox. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Official description
A vulnerability has been found in BusyBox up to 1.30.1. This vulnerability affects unknown code of the file networking/wget.c of the component FEATURE_WGET_TIMEOUT Handler. Such manipulation of the argument -T leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The name of the patch is 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff. A patch should be applied to remediate this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | busybox | no fix listed | DEBIAN-CVE-2026-76014 |
| Debian:13 | busybox | no fix listed | DEBIAN-CVE-2026-76014 |
| Debian:14 | busybox | no fix listed | DEBIAN-CVE-2026-76014 |
| Ubuntu:22.04:LTS | busybox | no fix listed | UBUNTU-CVE-2026-76014 |
| Ubuntu:24.04:LTS | busybox | no fix listed | UBUNTU-CVE-2026-76014 |
| Ubuntu:26.04:LTS | busybox | no fix listed | UBUNTU-CVE-2026-76014 |
| Ubuntu:26.10 | busybox | no fix listed | UBUNTU-CVE-2026-76014 |
Affected products (as reported)
Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
References
- VDB-391923 | BusyBox FEATURE_WGET_TIMEOUT wget.c null pointer dereference vdb-entry, technical-description
- VDB-391923 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-76014 | CVE Analysis and Report third-party-advisory
- Submit #878212 | BusyBox 1.30.1 NULL Pointer Dereference third-party-advisory
- https://github.com/mirror/busybox/issues/124 issue-tracking
- https://gist.github.com/wyxstarry/5c199ec824928c5ae5816aaecbc6df03 exploit
- https://github.com/mirror/busybox/commit/83a40bf7a93c8ac093d33ab452222dd5b9eb57ff patch