CVE-2018-1046

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

pdns before version 4.1.2 is vulnerable to a buffer overflow in dnsreplay. In the dnsreplay tool provided with PowerDNS Authoritative, replaying a specially crafted PCAP file can trigger a stack-based buffer overflow, leading to a crash and potentially arbitrary code execution. This buffer overflow only occurs when the -ecs-stamp option of dnsreplay is used.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-1046

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201805-1

OS impact

OSVersionStatusFixed in
arch archfixed4.1.2-1
debian debianbookwormfixed4.1.2-1
debian debianbullseyefixed4.1.2-1
debian debianforkyfixed4.1.2-1
debian debiansidfixed4.1.2-1
debian debiantrixiefixed4.1.2-1

References

Verify integrity in audit chain (admin only). AS-IS.