DNS-over-HTTPS implementation suffers from multiple issues under heavy query load
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ISC | BIND 9 | unaffected |
|
No data.
| Package | CPE | Advisory | Released Date |
|---|---|---|---|
| Red Hat Enterprise Linux 9 | |||
| bind9.18-32:9.18.29-1.el9_5.1 | cpe:/a:redhat:enterprise_linux:9 | RHSA-2025:1670 | 2025-02-19T00:00:00Z |
| Red Hat OpenShift Container Platform 4.16 | |||
| rhcos-416.94.202502260030-0 | cpe:/a:redhat:openshift:4.16::el9 | RHSA-2025:1907 | 2025-03-05T00:00:00Z |
No data available yet.
Vendor Solution
Upgrade to the patched release most closely related to your current version of BIND 9: 9.18.33, 9.20.5, 9.21.4, or 9.18.33-S1.
Vendor Workaround
The issue affects only the DNS-over-HTTPS protocol and does not apply to instances where DoH is not enabled.
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-5854-1 | bind9 security update |
EUVD |
EUVD-2024-51062 | Clients using DNS-over-HTTPS (DoH) can exhaust a DNS resolver's CPU and/or memory by flooding it with crafted valid or invalid HTTP/2 traffic. This issue affects BIND 9 versions 9.18.0 through 9.18.32, 9.20.0 through 9.20.4, 9.21.0 through 9.21.3, and 9.18.11-S1 through 9.18.32-S1. |
Ubuntu USN |
USN-7241-1 | Bind vulnerabilities |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 18.6% (18.566% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
epss
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epss
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat openshift
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|
| CPEs | cpe:/a:redhat:openshift:4.16::el9 | |
| Vendors & Products |
Redhat openshift
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat
Redhat enterprise Linux |
|
| CPEs | cpe:/a:redhat:enterprise_linux:9 | |
| Vendors & Products |
Redhat
Redhat enterprise Linux |
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-400 | |
| References |
| |
| Metrics |
threat_severity
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threat_severity
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| Type | Values Removed | Values Added |
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| References |
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| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | Clients using DNS-over-HTTPS (DoH) can exhaust a DNS resolver's CPU and/or memory by flooding it with crafted valid or invalid HTTP/2 traffic. This issue affects BIND 9 versions 9.18.0 through 9.18.32, 9.20.0 through 9.20.4, 9.21.0 through 9.21.3, and 9.18.11-S1 through 9.18.32-S1. | |
| Title | DNS-over-HTTPS implementation suffers from multiple issues under heavy query load | |
| Weaknesses | CWE-770 | |
| References |
| |
| Metrics |
cvssV3_1
|