VulnerabilityModified
CVE-2019-6469
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.
HIGH 7.5EPSS 1.96%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.96% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-617
- Affected
- isc/bind
- Source
- security-officer@isc.org
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.