cve-2026-5950-bind9-resolver-dos

CVE-2026-5950 - BIND 9 解析器拒绝服务 研究笔记和针对 CVE-2026-5950 的防御指导，该漏洞是 BIND 9 解析器状态机中的无限制重发循环漏洞。 概述 CVE-2026-5950 影响递归 BIND 9 解析器。在特定的重试和坏服务器处理条件下，远程未认证攻击者可能触发重复的重发行为，从而导致严重的资源耗尽。 此仓库特意是防御性的。它不发布漏洞利用载荷或操作性攻击步骤。 关键事实 字段| 值 ---|--- CVE| CVE-2026-5950 产品| ISC BIND 9 组件| 解析器 弱点| CWE-606：循环条件的未检查输入 严重性| 中等...

SUSE-SU-2026:2673-1 Security update for bind

This update for bind fixes the following issues: Security issues: - CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation bsc1265591. - CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records bsc1265592. - CVE-2026-3593: Heap use-after-free vulnerabilit...

SUSE SLES15 Security Update : bind (SUSE-SU-2026:2676-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2676-1 advisory. This update for bind fixes the following issues - CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation...

Security update for bind

This update for bind fixes the following issues CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation bsc1265591. CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records bsc1265592. CVE-2026-5946: Invalid handling of CLASS != IN bsc1265594. CVE-2026-595...

Security update for bind

This update for bind fixes the following issues: Security issues: CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation bsc1265591. CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records bsc1265592. CVE-2026-5946: Invalid handling of CLASS != IN...

SUSE SLES16: bind / bind-doc / bind-modules-generic / bind-modules-ldap / etc (SUSE-SU-2026:22198-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22198-1 advisory. This update for bind fixes the following issues Upgrade to release 9.20.23: - CVE-2026-3039: BIND 9 server memory exhaustion durin...

OPENSUSE-SU-2026:21123-1 Security update for bind

This update for bind fixes the following issues Upgrade to release 9.20.23: - CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation bsc1265591. - CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records bsc1265592. - CVE-2026-3593: Heap use-after-free...

SUSE-SU-2026:22198-1 Security update for bind

This update for bind fixes the following issues Upgrade to release 9.20.23: - CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation bsc1265591. - CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records bsc1265592. - CVE-2026-3593: Heap use-after-free...

MGASA-2026-0163 Updated bind packages fix security vulnerabilities

Updated bind package fixes security vulnerabilities: BIND 9 server memory exhaustion during GSS-API TKEY negotiation CVE-2026-3039 Amplification vulnerabilities via self-pointed glue records CVE-2026-3592 Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation CVE-2026-3593...

Updated bind packages fix security vulnerabilities

Updated bind package fixes security vulnerabilities: BIND 9 server memory exhaustion during GSS-API TKEY negotiation CVE-2026-3039 Amplification vulnerabilities via self-pointed glue records CVE-2026-3592 Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation CVE-2026-3593...

SUSE CVE-2026-5950

An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions 9.18.36 throu...

CVE-2026-5950

A flaw was found in BIND 9. A remote, unauthenticated attacker can exploit an unbounded resend loop vulnerability in the resolver state machine during bad-server handling. By sending specially crafted queries that trigger specific retry conditions, the attacker can cause severe resource exhaustio...

Unbounded resend loop in BIND 9 resolver

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Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Bind vulnerabilities (USN-8293-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8293-1 advisory. Vitaly Simonovich discovered that Bind could exhaust memory during GSS-API TKEY negotiation. A remote attacker could...

bind: Unbounded resend loop in BIND 9 resolver

A flaw was found in BIND 9. A remote, unauthenticated attacker can exploit an unbounded resend loop vulnerability in the resolver state machine during bad-server handling. By sending specially crafted queries that trigger specific retry conditions, the attacker can cause severe resource exhaustio...

USN-8293-1: Bind vulnerabilities

Vitaly Simonovich discovered that Bind could exhaust memory during GSS-API TKEY negotiation. A remote attacker could possibly use this issue to cause Bind to use excessive resources, leading to a denial of service. CVE-2026-3039 Shuhan Zhang discovered that Bind incorrectly handled self-pointed...

ALPINE-CVE-2026-5950

An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions 9.18.36 throu...

CVE-2026-5950

An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions 9.18.36 throu...

CVE-2026-5950 Unbounded resend loop in BIND 9 resolver

An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions 9.18.36 throu...

CVE-2026-5950 Unbounded resend loop in BIND 9 resolver

An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions 9.18.36 throu...