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

CVE-2026-24028

Out-of-bounds read when parsing DNS packets via Lua PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
PowerDNS / DNSdist	affected 1.9.0 before 1.9.12; affected 2.0.0 before 2.0.3

CWE

No CWE identifiers supplied.

References

https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.