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VulnerabilityPublished Updated

CVE-2024-43168: Heap-buffer-overflow Flaw Was Found

Source GCVE Database

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Authoritative record:CVE-2024-43168· Medium 4.8

Not known to be exploited · CVSS 4.8 Medium.

Data as of 30 Oct 2026, 02:50 UTC

CVSS 3.1 base score
4.8Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (NLnet Labs)CVSS 3.14.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Aug 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

AI-suggested

As per the Red Hat advisory, no mitigation or fix currently meets the criteria for ease of use, deployment, applicability, or stability. Users are advised to monitor Red Hat advisories for updates and consider upgrading to supported product versions once fixes become available. No immediate workaround is provided.

Description

A heap-buffer-overflow vulnerability exists in the cfg_mark_ports function of Unbound's config_file.c. This flaw can cause memory corruption when an attacker with local access provides specially crafted input. The issue may lead to application crashes or potentially allow arbitrary code execution, resulting in denial of service or unauthorized system actions. The vulnerability has a medium severity rating with a CVSS score of 4.8. Currently, no official fix or mitigation meeting Red Hat's criteria is available.

References

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