| Name | CVE-2025-8677 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6033-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| bind9 (PTS) | bullseye | 1:9.16.50-1~deb11u2 | vulnerable |
| bullseye (security) | 1:9.16.50-1~deb11u3 | vulnerable | |
| bookworm | 1:9.18.33-1~deb12u2 | vulnerable | |
| bookworm (security) | 1:9.18.41-1~deb12u1 | fixed | |
| trixie | 1:9.20.11-4 | vulnerable | |
| trixie (security) | 1:9.20.15-1~deb13u1 | fixed | |
| forky, sid | 1:9.20.15-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| bind9 | source | bookworm | 1:9.18.41-1~deb12u1 | DSA-6033-1 | ||
| bind9 | source | trixie | 1:9.20.15-1~deb13u1 | DSA-6033-1 | ||
| bind9 | source | (unstable) | 1:9.20.15-1 |
https://kb.isc.org/docs/cve-2025-8677
Fixed by: https://gitlab.isc.org/isc-projects/bind9/-/commit/0d676bf9f23b1441f6697f1d6b25b4744dacda52 (v9.20.15)
Fixed by: https://gitlab.isc.org/isc-projects/bind9/-/commit/7c5b8ef055900224f0424c341927562c5a9ebe19 (v9.18.41)