CVE-2026-76014: NULL Pointer Dereference in BusyBox
CVE-2026-76014 is a medium severity vulnerability in BusyBox versions 1.30.0 and 1.30.1. It involves a NULL pointer dereference in the FEATURE_WGET_TIMEOUT handler within the networking/wget.c file. The issue arises from manipulation of the -T argument. Local access with low privileges is required to exploit this vulnerability. A patch identified by commit 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff has been made available to fix the issue.
AI Analysis
Technical Summary
This vulnerability affects BusyBox up to versions 1.30.0 and 1.30.1 in the FEATURE_WGET_TIMEOUT handler of the networking/wget.c component. Improper handling of the -T argument can lead to a NULL pointer dereference, causing a crash or denial of service. Exploitation requires local access with low privileges. The vulnerability has been publicly disclosed, and a patch exists identified by commit 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff.
Potential Impact
Successful exploitation results in a NULL pointer dereference, which can cause the affected BusyBox process to crash, potentially leading to denial of service. The attack requires local access with low privileges, limiting remote exploitation possibilities. There is no indication of privilege escalation or remote code execution from the provided data.
Mitigation Recommendations
A patch identified by commit 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff is available and should be applied to BusyBox versions 1.30.0 and 1.30.1 to remediate this vulnerability. No official vendor advisory was provided in the input, so verify patch availability and application through the BusyBox project's official channels.
CVE-2026-76014: NULL Pointer Dereference in BusyBox
Description
CVE-2026-76014 is a medium severity vulnerability in BusyBox versions 1.30.0 and 1.30.1. It involves a NULL pointer dereference in the FEATURE_WGET_TIMEOUT handler within the networking/wget.c file. The issue arises from manipulation of the -T argument. Local access with low privileges is required to exploit this vulnerability. A patch identified by commit 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff has been made available to fix the issue.
CVSS v4.0
Score 4.8medium
Affected software
pkg:github/mirror/busyboxcpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects BusyBox up to versions 1.30.0 and 1.30.1 in the FEATURE_WGET_TIMEOUT handler of the networking/wget.c component. Improper handling of the -T argument can lead to a NULL pointer dereference, causing a crash or denial of service. Exploitation requires local access with low privileges. The vulnerability has been publicly disclosed, and a patch exists identified by commit 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff.
Potential Impact
Successful exploitation results in a NULL pointer dereference, which can cause the affected BusyBox process to crash, potentially leading to denial of service. The attack requires local access with low privileges, limiting remote exploitation possibilities. There is no indication of privilege escalation or remote code execution from the provided data.
Mitigation Recommendations
A patch identified by commit 83a40bf7a93c8ac093d33ab452222dd5b9eb57ff is available and should be applied to BusyBox versions 1.30.0 and 1.30.1 to remediate this vulnerability. No official vendor advisory was provided in the input, so verify patch availability and application through the BusyBox project's official channels.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-18T19:02:48.220Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8520d9c6e8be0332180a8b
Added to database: 08/19/2026, 03:19:53 UTC
Last enriched: 08/19/2026, 03:35:33 UTC
Last updated: 08/19/2026, 03:35:33 UTC
Views: 3
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