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CVE-2019-1010251

24
FAUCET Score

CVE-2019-1010251 describes a Denial of Service (DoS) vulnerability in Open Information Security Foundation Suricata versions prior to 4.1.2, specifically impacting its DNS detection capabilities. An attacker can bypass signature detection by sending a specially crafted network packet, leading to a DoS condition. This vulnerability carries a CVSS v3.0 score of 7.5 (High), indicating that it can be exploited remotely with low attack complexity, requiring no user interaction, and resulting in high availability impact. The affected components include app-layer-detect-proto.c, decode.c, decode-teredo.c, and decode-ipv6.c. There is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness. Organizations using affected Suricata versions should upgrade to 4.1.2 or later to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.2CPE matchmatch criteria
cpe:2.3:a:oisf:suricata:4.0.2:*:*:*:*:*:*:*
4.0.3CPE matchmatch criteria
cpe:2.3:a:oisf:suricata:4.0.3:*:*:*:*:*:*:*
4.0.5CPE matchmatch criteria
cpe:2.3:a:oisf:suricata:4.0.5:*:*:*:*:*:*:*
4.1.0CPE matchmatch criteria
cpe:2.3:a:oisf:suricata:4.1.0:beta1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.13%
Probability of exploitation in next 30 days
EPSS Percentile
80.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0213 is in the 65th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / OISF/suricata/pull/3590/commits/11f3659f64a4e42e90cb3c09fcef66894205aefe
PatchThird Party Advisory
github.com / OISF/suricata/pull/3590/commits/8357ef3f8ffc7d99ef6571350724160de356158b
PatchThird Party Advisory
redmine.openinfosecfoundation.org / issues/2736
Issue TrackingThird Party Advisory