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CVE-2019-6469

BIND Supported Preview Edition can exit with an assertion failure if ECS is in use

HIGH

7.5

CVSS Score

Published: October 9, 2019 at 02:17 PM UTC

Updated: June 17, 2026 at 02:39 AM UTC

1 product affected across 1 vendorBIND

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Severity

HIGH7.5

Exploit prediction

EPSS 2%

Description

An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%

9.10.5 s1 9.11.6 s1 BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://kb.isc.org/docs/cve-2019-6469

x_refsource_CONFIRM

Source: [email protected]

https://support.f5.com/csp/article/K39751401?utm_source=f5support&amp%3Butm_medium=RSS

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-617

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