CVE-2026-44390

CVE-2026-44390 affects NLnet Labs Unbound up to and including 1.25.0. The issue arises when handling replies with very large RRsets that require name compression; malicious upstream responses with such RRsets can cause Unbound to spend excessive CPU time on compression, potentially leading to deg...

CVE-2026-44390

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs to perform name compression for. Malicious upstream responses with very large RRsets with records that don't share a suffix above the root can cause Unbound to...

CVE-2026-44390

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs to perform name compression for. Malicious upstream responses with very large RRsets with records that don't share a suffix above the root can cause Unbound to...

NLnet Labs Unbound 安全漏洞

NLnet Labs Unbound is a high-performance DNS resolver open-sourced by NLnet Labs. Versions of NLnet Labs Unbound 1.25.0 and earlier contained security vulnerabilities. These vulnerabilities stemmed from unbound name compression operations when handling large RRsets, which could lead to performanc...

CVE-2026-44390

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs to perform name compression for. Malicious upstream responses with very large RRsets with records that don't share a suffix above the root can cause Unbound to...

PT-2026-42134

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions prior to 1.25.1 Description An issue exists when handling replies with very large RRsets Resource Record sets that require name compression. Malicious upstream responses containing very large RRsets with records tha...

Unbound -- Multiple vulnerabilities

NLnet Labs reports: This release consolidates security fixes for issues reported over a period of time. There are fixes for: CVE-2026-33278: Possible remote code execution during DNSSEC validation. CVE-2026-42944: Heap overflow and crash with multiple nsid, cookie, padding EDNS options...

Linux Distros Unpatched Vulnerability : CVE-2026-44390

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs to perform name...

UBUNTU-CVE-2026-44390

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs to perform name compression for. Malicious upstream responses with very large RRsets with records that don't share a suffix above the root can cause Unbound to...

hickory-proto vulnerable to CPU exhaustion during message encoding due to O(n²) name compression

During message encoding, hickory-proto's BinEncoder stores pointers to labels that are candidates for name compression in a Vec. The name compression logic then searches for matches with a linear scan. A malicious message with many records can both introduce many candidate labels, and invoke this...

GHSA-Q2QQ-HMJ6-3WPP hickory-proto vulnerable to CPU exhaustion during message encoding due to O(n²) name compression

During message encoding, hickory-proto's BinEncoder stores pointers to labels that are candidates for name compression in a Vec. The name compression logic then searches for matches with a linear scan. A malicious message with many records can both introduce many candidate labels, and invoke this...

PT-2026-38348

🟠 Hickory-DNS, CPU exhaustion due to On² name compression, CVE-2024-53618 Moderate https://t.co/cx7x7R6VZX...

RUSTSEC-2026-0119 CPU exhaustion during message encoding due to O(n²) name compression

During message encoding, hickory-proto's BinEncoder stores pointers to labels that are candidates for name compression in a Vec. The name compression logic then searches for matches with a linear scan. A malicious message with many records can both introduce many candidate labels, and invoke this...

CPU exhaustion during message encoding due to O(n²) name compression

During message encoding, hickory-proto's BinEncoder stores pointers to labels that are candidates for name compression in a Vec. The name compression logic then searches for matches with a linear scan. A malicious message with many records can both introduce many candidate labels, and invoke this...

Exploit for Heap-based Buffer Overflow in Pjsip

CVE-2026-32945 PJSIP DNS Compression Pointer Heap OOB Read R...

Astra Linux – Vulnerability in unbound

Unbound versions up to and including 1.21.0 contain a vulnerability when handling replies with very large RRsets that it needs to perform name compression on. Malicious upstream responses with very large RRsets can cause Unbound to spend considerable time applying name compression to downstream...

CLSA-2026-1769424072 unbound: Fix of CVE-2024-8508

CVE-2024-8508: limit number of name compression calculations per packet to prevent CPU locking and potential denial of service...

Azure Linux 3.0 Security Update: unbound (CVE-2024-8508)

The version of unbound installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-8508 advisory. - NLnet Labs Unbound up to and including version 1.21.0 contains a vulnerability when handling replies with ve...

CLSA-2025-1765997462 unbound: Fix of CVE-2024-8508

CVE-2024-8508: limit number of name compression calculations per packet to prevent denial of service attacks...

CLSA-2025-1765902454 unbound: Fix of CVE-2024-8508

CVE-2024-8508: limit number of name compression calculations per packet to prevent denial of service attacks...