🛡️ CVE-2024-56946 — dnsserver

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability low.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: None.
• Integrity impact: None.
• Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

CVE-2024-56946 is classified as CWE-248: Uncaught Exception. An exception is thrown from a function, but it is not caught.

Affected software

CVE-2024-56946 is recorded against 1 package.

• dnsserver (fixed in 13.3)

Timeline and source

Published on 3 February 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com

Other advisories for this package

dnsserver has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-42255 (7.2 High, published 26 Apr 2026)
• CVE-2025-50334 (7.5 High, published 8 Jan 2026)
• CVE-2024-56089 (7.5 High, published 1 Dec 2025)
• CVE-2023-28457 (7.5 High, published 18 Sep 2024)
• CVE-2023-28456 (7.5 High, published 18 Sep 2024)
• CVE-2023-28455 (7.5 High, published 18 Sep 2024)
• CVE-2023-49203 (7.5 High, published 18 Sep 2024)
• CVE-2023-28451 (7.5 High, published 18 Sep 2024)

Same weakness in other software

These advisories are the same class of weakness (CWE-248: Uncaught Exception) in other software:

• CVE-2026-52731 (6.5 Medium, published 18 Aug 2026)
• CVE-2026-52739 (5.9 Medium, published 18 Aug 2026)
• CVE-2026-52738 (published 18 Aug 2026)
• CVE-2026-61666 (8.0 High, published 17 Aug 2026)
• CVE-2026-62909 (published 11 Aug 2026)
• GHSA-3x6r-wxxg-53vv (published 5 Aug 2026)
• GHSA-wqjv-9729-c5q2 (published 24 Jul 2026)
• CVE-2026-59892 (8.0 High, published 21 Jul 2026)

Details

Affected Packages

References