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Medium 5.3Published Mar 31, 2026

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

Updated under an hour ago ()

Does this affect you?

It affects PowerDNS DNSdist. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE)
CWE-126
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
OX
NVD analysis
Analyzed
Record last updated
Mar 31, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
PowerDNS DNSdist
powerdns:dnsdist (from the name)
from 1.9.0 before 1.9.12; from 2.0.0 before 2.0.3
CNA record
powerdns dnsdist
powerdns:dnsdist
from 1.9.0 before 1.9.12; from 2.0.0 before 2.0.3
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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