Debian dsa-6507：libunbound-dev - 安全性更新
critical Nessus Plugin ID 348572
語言:
概要
遠端 Debian 主機上缺少一個或多個安全性更新。說明
遠端 Debian 13 主機安裝的套件會受到 dsa-6507 公告中提及的多個弱點影響。------------------------------------------------------------------------- Debian安全公告 DSA-6507-1 [email protected] https://www.debian.org/security/Moritz Muehlenhoff 2026 年 9 月 19 日 https://www.debian.org/security/faq
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套件：未綁定的 CVE ID： CVE-2026-14586 CVE-2026-32665 CVE-2026-40622 CVE-2026-40691 CVE-2026-41637 CVE-2026-42955 CVE-2026-44621 CVE-2026-44687 CVE-2026-44690 CVE-2026-46582 CVE-2026-50045 CVE-2026-50046 CVE-2026-50243 CVE-2026-50248 CVE-2026-50251 CVE-2026-50252 CVE-2026-52863 CVE-2026-54478 CVE-2026-55708 CVE-2026-55717 CVE-2026-55973 CVE-2026-55990 CVE-2026-55991 CVE-2026-56416 CVE-2026-56444 CVE-2026-77860 CVE-2026-77955 CVE-2026-78227 CVE-2026-80225 CVE-2026-81634 CVE-2026-81642 CVE-2026-82717 CVE-2026-82720 CVE-2026-85501
在 Unbound （一個驗證、遞迴、快取 DNS 解析器） 中發現多個安全漏洞，這可能導致拒絕服務、快取中毒、繞過 DNS cookie 或可能執行任意程式碼。
對於穩定版 （trixie），這些問題已在 1.26.1-0+deb13u1 版中修正。
建議您升級 unbound 套件。
如需有關 unbound 安全性狀態的詳細資訊，請參閱相關安全追蹤工具頁面：
https://security-tracker.debian.org/tracker/unbound
有關 Debian 安全公告、如何將這些更新套用至您的系統以及常見問題的詳細資訊，請參閱 : https://www.debian.org/security/
郵寄清單：[email protected]
Tenable 已直接從 Debian 安全公告擷取前置描述區塊。
請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。
解決方案
升級 libunbound-dev 套件。另請參閱
https://packages.debian.org/source/trixie/unbound
https://security-tracker.debian.org/tracker/CVE-2026-14586
https://security-tracker.debian.org/tracker/CVE-2026-32665
https://security-tracker.debian.org/tracker/CVE-2026-40622
https://security-tracker.debian.org/tracker/CVE-2026-40691
https://security-tracker.debian.org/tracker/CVE-2026-41637
https://security-tracker.debian.org/tracker/CVE-2026-42955
https://security-tracker.debian.org/tracker/CVE-2026-44621
https://security-tracker.debian.org/tracker/CVE-2026-44687
https://security-tracker.debian.org/tracker/CVE-2026-44690
https://security-tracker.debian.org/tracker/CVE-2026-46582
https://security-tracker.debian.org/tracker/CVE-2026-50045
https://security-tracker.debian.org/tracker/CVE-2026-50046
https://security-tracker.debian.org/tracker/CVE-2026-50243
https://security-tracker.debian.org/tracker/CVE-2026-50248
https://security-tracker.debian.org/tracker/CVE-2026-50251
https://security-tracker.debian.org/tracker/CVE-2026-50252
https://security-tracker.debian.org/tracker/CVE-2026-52863
https://security-tracker.debian.org/tracker/CVE-2026-54478
https://security-tracker.debian.org/tracker/CVE-2026-55708
https://security-tracker.debian.org/tracker/CVE-2026-55717
https://security-tracker.debian.org/tracker/CVE-2026-55973
https://security-tracker.debian.org/tracker/CVE-2026-55990
https://security-tracker.debian.org/tracker/CVE-2026-55991
https://security-tracker.debian.org/tracker/CVE-2026-56416
https://security-tracker.debian.org/tracker/CVE-2026-56444
https://security-tracker.debian.org/tracker/CVE-2026-77860
https://security-tracker.debian.org/tracker/CVE-2026-77955
https://security-tracker.debian.org/tracker/CVE-2026-78227
https://security-tracker.debian.org/tracker/CVE-2026-80225
https://security-tracker.debian.org/tracker/CVE-2026-81634
https://security-tracker.debian.org/tracker/CVE-2026-81642
https://security-tracker.debian.org/tracker/CVE-2026-82717
https://security-tracker.debian.org/tracker/CVE-2026-82720
https://security-tracker.debian.org/tracker/CVE-2026-85501
https://security-tracker.debian.org/tracker/source-package/unbound
Plugin 詳細資訊
嚴重性: Critical
ID: 348572
檔案名稱: debian_DSA-6507.nasl
版本: 1.1
類型: Local
代理程式: unix
已發布: 2026/9/21
已更新: 2026/9/21
支援的感應器: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
風險資訊
VPR
風險因素: High
分數: 7.6
百分位數: 98.3
CVSS v2
風險因素: High
基本分數: 7.8
時間性分數: 5.8
媒介: CVSS2#AV:A/AC:L/Au:N/C:N/I:C/A:C
CVSS 評分資料來源: CVE-2026-50252
CVSS v3
風險因素: Critical
基本分數: 9.3
時間性分數: 8.1
媒介: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
時間媒介: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
風險因素: Critical
Base Score: 10
Threat Score: 9.1
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS 評分資料來源: CVE-2026-81642
弱點資訊
CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:libunbound-dev, p-cpe:/a:debian:debian_linux:libunbound8, p-cpe:/a:debian:debian_linux:python3-unbound, p-cpe:/a:debian:debian_linux:unbound-anchor, p-cpe:/a:debian:debian_linux:unbound-host, p-cpe:/a:debian:debian_linux:unbound
必要的 KB 項目: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
可輕鬆利用: No known exploits are available
修補程式發佈日期: 2026/9/19
弱點發布日期: 2026/5/20
參考資訊
CVE: CVE-2026-14586, CVE-2026-32665, CVE-2026-40622, CVE-2026-40691, CVE-2026-41637, CVE-2026-42955, CVE-2026-44621, CVE-2026-44687, CVE-2026-44690, CVE-2026-46582, CVE-2026-50045, CVE-2026-50046, CVE-2026-50243, CVE-2026-50248, CVE-2026-50251, CVE-2026-50252, CVE-2026-52863, CVE-2026-54478, CVE-2026-55708, CVE-2026-55717, CVE-2026-55973, CVE-2026-55990, CVE-2026-55991, CVE-2026-56416, CVE-2026-56444, CVE-2026-77860, CVE-2026-77955, CVE-2026-78227, CVE-2026-80225, CVE-2026-81634, CVE-2026-81642, CVE-2026-82717, CVE-2026-82720, CVE-2026-85501