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CVE-2019-6468

20
FAUCET Score

CVE-2019-6468 is a high-severity vulnerability affecting specific versions of BIND Supported Preview Edition (9.10.5-S1 through 9.11.5-S5). It involves an assertion failure leading to BIND exiting when the nxdomain-redirect feature is enabled on systems with EDNS Client Subnet (ECS) support. The vulnerability has a CVSS score of 7.5, indicating a high impact due to potential denial of service, and can be triggered remotely with low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9.10.5CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.10.5:s1:*:*:supported_preview:*:*:*
9.11.5CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.56%
Probability of exploitation in next 30 days
EPSS Percentile
83.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0256 is in the 71st percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Vendor Advisories (1)

redhatCVE-2019-6468Moderate

bind: named can exit with an assertion failure if nxdomain-redirect is used.

Apr 24, 2019

References

kb.isc.org / docs/cve-2019-6468
Third Party Advisory
synology.com / security/advisory/Synology_SA_19_20