🛡️ CVE-2024-42643

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-190 NVD

7.5

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Integer Overflow in fast_ping.c in SmartDNS Release46 allows remote attackers to cause a Denial of Service via misaligned memory access.

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 high.

Weakness class

CVE-2024-42643 is classified as CWE-190: Integer Overflow or Wraparound. Arithmetic produces a value too large for its type and wraps around, so a later size or bounds check passes when it should not.

Affected software

CVE-2024-42643 is recorded against 1 package.

unknown

Timeline and source

Published on 22 October 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com

CVE-2024-42643 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Ubuntu

Details

Severity HIGH

CVSS Score 7.5

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE CWE-190

Public Exploit ✅ No

Source NVD

Published 2024-10-22

Updated 2026-08-11

Modified 2026-06-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
unknown	—	—

References

https://github.com/pymumu/smartdns/issues/1779

🔗 NVD 🔗 Mitre

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