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).

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 94.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

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

EcosystemPackageFixed inAdvisory
Debian:12busyboxno fix listedDEBIAN-CVE-2026-76014
Debian:13busyboxno fix listedDEBIAN-CVE-2026-76014
Debian:14busyboxno fix listedDEBIAN-CVE-2026-76014
Ubuntu:22.04:LTSbusyboxno fix listedUBUNTU-CVE-2026-76014
Ubuntu:24.04:LTSbusyboxno fix listedUBUNTU-CVE-2026-76014
Ubuntu:26.04:LTSbusyboxno fix listedUBUNTU-CVE-2026-76014
Ubuntu:26.10busyboxno fix listedUBUNTU-CVE-2026-76014

Affected products (as reported)

VendorProductVersions
n/a BusyBox 1.30.01.30.1

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