PT-2024-5866 · Nlnet+5 · Unbound+5

Xiaoxiaoafeifei

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Published

2024-08-08

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Updated

2025-08-24

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CVE-2024-43167

CVSS v3.1

2.8

Low

VectorAV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Name of the Vulnerable Software and Affected Versions Unbound (affected versions not specified)
Description A NULL pointer dereference flaw was found in the ub ctx set fwd function in Unbound. This issue could allow an attacker who can invoke specific sequences of API calls to cause a segmentation fault. When certain API functions such as ub ctx set fwd and ub ctx resolvconf are called in a particular order, the program attempts to read from a NULL pointer, leading to a crash. This issue can result in a denial of service by causing the application to terminate unexpectedly.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

NULL Pointer Dereference

Weakness Enumeration

Related Identifiers

AZL-47771
AZL-47779
BDU:2024-06648
CVE-2024-43167
DLA-3903-1
DLA-4280-1
MGASA-2024-0293
OESA-2024-2025
OPENSUSE-SU-2024:14270-1
OPENSUSE-SU-2024_3074-1
OPENSUSE-SU-2024_3111-1
SUSE-SU-2024:3074-1
SUSE-SU-2024:3111-1
SUSE-SU-2024_3074-1
SUSE-SU-2024_3111-1
USN-6998-1

Affected Products

Debian
Linuxmint
Red Os
Suse
Ubuntu
Unbound