CVE-2019-6469: isc bind Reachable Assertion
CVSS: 7.5v3.1HighModified
Published 09-10-2019Last modified 17-09-2024
Vulnerability summary
CVE-2019-6469 is a high (CVSS 7.5) Reachable Assertion vulnerability in isc bind. EPSS estimates a 1.96% chance of exploitation in the next 30 days, higher than 80% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.96%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-10-2019PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 2 sources · 3 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.9Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.96%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.96% on 19-09-2026
19-09-202619-10-2026
EPSS score1.96%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Isc2 products
- bind9.10.5:s1 | 9.11.6:s1
- bind 9 supported preview editionBIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.
1 vendor · 2 products