PT-2026-38348

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

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...

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...

Exploit for Heap-based Buffer Overflow in Pjsip

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

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...

CLSA-2025-1765901537 unbound: Fix of CVE-2024-8508

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

TencentOS Server 4: unbound (TSSA-2025:0633)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0633 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

RLSA-2025:8197 Moderate: unbound security update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Unbounded name compression could lead to Denial of Service CVE-2024-8508 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...

EUVD-2024-49228

Malicious code in bioql PyPI...

RLSA-2025:8047 Moderate: unbound security update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Unbounded name compression could lead to Denial of Service CVE-2024-8508 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...

SUSE CVE-2024-55628

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.8, DNS resource name compression can lead to small DNS messages containing very large hostnames which can be costly to decode, and lead to very large DNS log...

CVE-2025-24294

The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet. An attacker can craft a malicious DNS packet containing a highly compressed domain name. When the resolv library parses suc...

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...

NewStart CGSL MAIN 7.02 : unbound Vulnerability (NS-SA-2025-0089)

The remote NewStart CGSL host, running version MAIN 7.02, has unbound packages installed that are affected by a vulnerability: - NLnet Labs Unbound up to and including version 1.21.0 contains a vulnerability when handling replies with very large RRsets that it needs to perform name compression fo...

unbound: Unbounded name compression could lead to Denial of Service

A flaw was found in Unbound which can lead to degraded performance and an eventual denial of service when handling replies with very large RRsets that require name compression to be applied. Versions prior to 1.21.1 do not have a hard limit on the number of name compression calculations that...

SUSE-SU-2025:20359-1 Security update for unbound

This update for unbound fixes the following issues: Update to 1.22.0: - CVE-2024-8508: Fixed unbounded name compression that could have led to a denial of service bsc1231284...

Security update for unbound

This update for unbound fixes the following issues: Update to 1.22.0: CVE-2024-8508: Fixed unbounded name compression that could have led to a denial of service bsc1231284. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or...