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CVE-2018-1046

26
FAUCET Score

CVE-2018-1046 describes a stack-based buffer overflow vulnerability in the dnsreplay tool of PowerDNS Authoritative versions prior to 4.1.2. This flaw is triggered by replaying a specially crafted PCAP file when the -ecs-stamp option is enabled, potentially leading to a crash or arbitrary code execution. Rated High (CVSS 7.8), it requires local access and user interaction to exploit. While the vulnerability has a high potential impact on confidentiality, integrity, and availability, there is no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.1.2CPE matchmatch criteria
cpe:2.3:a:powerdns:pdns:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.0HIGH

CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.41%
Probability of exploitation in next 30 days
EPSS Percentile
69.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0141 is in the 68th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory