Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2025-8677: 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.
Fixed packages 17
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | bind | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-chroot | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-debuginfo | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-devel | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-export-devel | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-export-libs | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-libs | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-libs-lite | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-license | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-lite-devel | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-pkcs11 | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-pkcs11-devel | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-pkcs11-libs | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-pkcs11-utils | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-sdb | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-sdb-chroot | 32:9.11.4-26.P2.amzn2.13.12 |
| Amazon Linux · 2 | bind-utils | 32:9.11.4-26.P2.amzn2.13.12 |
Vulnerabilities 1
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High 7.5CVE-2025-8677 EPSS 11%
Resource exhaustion via malformed DNSKEY handling
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-…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2025-8677.html