CVE-2026-24028: Out-of-bounds read when parsing DNS packets via Lua

Published Mar 31, 2026
·
Updated

An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua code uses newDNSPacketOverlay to parse DNS packets. The out-of-bounds read might trigger a crash, leading to a denial of service, or access unrelated memory, leading to potential information disclosure.

Affected Software

3 affected components
Wireshark Wireshark
PowerDNS DNSDist>=1.9.0<1.9.12
PowerDNS DNSDist>=2.0.0<2.0.3

Event History

Mar 31, 2026
CVE Published
via MITRE·11:57 AM
Data Sourced
via MITRE·11:57 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·12:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-24028?

CVE-2026-24028 is classified as a high-severity vulnerability due to its potential to cause denial of service.

2

How do I fix CVE-2026-24028?

To mitigate CVE-2026-24028, update to the latest version of Wireshark as soon as a patch is released.

3

What type of attack does CVE-2026-24028 enable?

CVE-2026-24028 enables an attacker to exploit an out-of-bounds read vulnerability by sending a specially crafted DNS response packet.

4

Which software is affected by CVE-2026-24028?

CVE-2026-24028 affects Wireshark, particularly when custom Lua code is employed to parse DNS packets.

5

What are the potential consequences of CVE-2026-24028?

Exploitation of CVE-2026-24028 could lead to application crashes and result in service disruptions.

Contact

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