CVE-2025-8677

CWE-405CWE-400 — Uncontrolled Resource Consumption12 documents8 sources
Severity
7.5HIGH
EPSS
0.1%
top 75.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
ISC Bind 9
Timeline
PublishedOct 22
Latest updateNov 12

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶Alpinebind< 9.18.41-r0+4
▶Debianbind9< 1:9.16.50-1~deb11u4+3
▶Ubuntubind9< 1:9.18.39-0ubuntu0.22.04.2+3
▶CVEListV5isc/bind_99.18.0 — 9.18.39+4

🔴Vulnerability Details

6
OSV
bind9 vulnerabilities↗2025-11-12
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OSV
CVE-2025-8677: Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion↗2025-10-22
▶
CVEList
Resource exhaustion via malformed DNSKEY handling↗2025-10-22
▶
GHSA
GHSA-924g-f9mr-cm6x: Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion↗2025-10-22
▶
OSV
bind9 vulnerabilities↗2025-10-22
▶

📋Vendor Advisories

5
Ubuntu
Bind vulnerabilities↗2025-11-12
▶
Red Hat
bind: Resource exhaustion via malformed DNSKEY handling↗2025-10-22
▶
Ubuntu
Bind vulnerabilities↗2025-10-22
▶
Microsoft
Resource exhaustion via malformed DNSKEY handling↗2025-10-14
▶
Debian
CVE-2025-8677: bind9 - Querying for records within a specially crafted zone containing certain malforme...↗2025
▶