CVE-2019-6469

7.5 highEPSS 2.0%

High (7.5) in isc bind. EPSS 2.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-617
Published: 2019-10-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

isc:bind

References

https://kb.isc.org/docs/cve-2019-6469
https://support.f5.com/csp/article/K39751401?utm_source=f5support&amp%3Butm_medium=RSS
https://kb.isc.org/docs/cve-2019-6469
https://support.f5.com/csp/article/K39751401?utm_source=f5support&amp%3Butm_medium=RSS

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