CVE-2025-8677

HIGHEPSS 96th pctl

7.5

CVSS v3

Description

Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion. This issue affects BIND 9 versions 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.

CWE-405

How to fix

Remediation Available

bind9Debian

Fixed in:1:9.16.50-1~deb11u4CVE-2025-8677

Fixed in:1:9.18.41-1~deb12u1CVE-2025-8677

Fixed in:1:9.20.15-1~deb13u1CVE-2025-8677

Fixed in:1:9.20.15-1CVE-2025-8677

bindRocky

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

bindRed Hat / RHEL

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

bind-chrootRed Hat / RHEL

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-chrootRocky

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

bind-debuginfoRocky

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-debuginfoRed Hat / RHEL

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

bind-debugsourceRed Hat / RHEL

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-debugsourceRocky

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-develRocky

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-develRed Hat / RHEL

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-dnssec-docRocky

Fixed in:32:9.16.23-40.el9_8.1RHSA-2026:18786

bind-dnssec-docRed Hat / RHEL

Fixed in:32:9.16.23-40.el9_8.1RHSA-2026:18786

bind-dnssec-utilsRed Hat / RHEL

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

bind-dnssec-utilsRocky

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

bind-dnssec-utils-debuginfoRocky

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

bind-dnssec-utils-debuginfoRed Hat / RHEL

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-docRocky

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.16.23-40.el9_8.1RHSA-2026:18786

bind-docRed Hat / RHEL

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.16.23-40.el9_8.1RHSA-2026:18786

bind-libsRed Hat / RHEL

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

bind-libsRocky

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-libs-debuginfoRocky

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-libs-debuginfoRed Hat / RHEL

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-licenseRed Hat / RHEL

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.16.23-40.el9_8.1RHSA-2026:18786

bind-licenseRocky

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.16.23-40.el9_8.1RHSA-2026:18786

bind-utilsRed Hat / RHEL

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

bind-utilsRocky

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-utils-debuginfoRed Hat / RHEL

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind-utils-debuginfoRocky

Fixed in:32:9.18.33-10.el10_1.2RHSA-2025:21034

Fixed in:32:9.18.33-4.el10_0.2RHSA-2025:19912

bind9.18Red Hat / RHEL

Fixed in:32:9.18.29-5.el9_7.2RHSA-2025:21111

Fixed in:32:9.18.29-4.el9_6.2RHSA-2025:19950

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

11.20%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-405 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-11187	High	7.5	15%	-	Fix
CVE-2021-38447	High	8.6	2.1%	-	Fix
CVE-2021-21359	Medium	5.9	1.7%	-	Fix
CVE-2018-15492	High	7.5	1.2%	-	-
CVE-2026-47774	High	7.5	1.0%	-	Fix

Common questions

How do I fix CVE-2025-8677?

Published advisories record a fix for 66 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2025-8677 being actively exploited?

Not that we know of. CVE-2025-8677 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 11.2% is the estimated probability that it will be exploited in the next 30 days. That is higher than 96% of all scored CVEs.

How severe is CVE-2025-8677?

CVE-2025-8677 has a CVSS v3 base score of 7.5, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-8677 affect?

Published advisories record a fix for bind9 (Debian), bind (Rocky), bind (Red Hat / RHEL), bind-chroot (Red Hat / RHEL), and 62 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2025-8677

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.