CVE-2026-33278 Possible arbitrary code execution during DNSSEC validation

NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...

CVE-2026-33278

NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Validates the entire DACL before rewriting it in the cifsacl format. The functions buildsecdesc and idmodetocifsacl derive a pointer to the DACL from a dacloffset provided by the server. They then use the incoming...

CVE-2026-33278: Use After Free

NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...

PT-2026-42384

MCP Registry: OCI validator skips ownership check on upstream rate limits in github.com/modelcontextprotocol/registry...

Linux Distros Unpatched Vulnerability : CVE-2026-33278

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 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code...

PT-2026-42125

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.19.1 through 1.25.0 Description A flaw in the DNSSEC validator allows for denial of service and potential remote code execution. The issue occurs during the deep copying of a data structure when DS sub-queries...

CVE-2026-42959: Access of Uninitialized Pointer

NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong counter to calculate write offsets fo...

CVE-2026-42923: Inefficient Algorithmic Complexity

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS records does not take into account the limit on NSEC3 hash calculations introduced in 1.19.1. This leads to degradation of service during the...

PT-2026-45070

Summary The MCP router ext proc exposes an initialize-method code path that, when a request carries an mcp-init-host header, bypasses the gateway JWT session validator and rewrites the upstream :authority header to whatever the caller chooses, gated only by a single shared header value router-key...

CI4MS: Stored XSS in Blog Content via Broken `html_purify` Validation Rule

Summary The custom htmlpurify validation rule used to sanitize blog post bodies relies on by-reference mutation ?string &$str, but CodeIgniter 4's validator passes a local copy of the value, so the sanitized text is silently discarded. The Blog controller writes $lanData'content' directly into...

GHSA-2M69-JMVH-6CHR CI4MS: Stored XSS in Blog Content via Broken `html_purify` Validation Rule

Summary The custom htmlpurify validation rule used to sanitize blog post bodies relies on by-reference mutation ?string &$str, but CodeIgniter 4's validator passes a local copy of the value, so the sanitized text is silently discarded. The Blog controller writes $lanData'content' directly into...

HAPI FHIR: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint

All implementations of FHIRPathEngine accept arbitrary FHIRPath expressions and evaluate them without input validation. The FHIRPath functions matches, matchesFull, and replaceMatches pass user-controlled regular expressions directly to Java's Pattern.compile and String.replaceAll without...

Bridging the Cybersecurity Gap between Web2 and Web3 - an Incident-Based Analysis of Organizational and Application-Level Security Failures

The rapid adoption of Web3 infrastructures has led to a growing number of security incidents affecting cryptocurrency exchanges, custody services and blockchain-based platforms. While existing research predominantly focuses on vulnerabilities in smart contracts and blockchain protocols, a...

HAPI FHIR: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint

All implementations of FHIRPathEngine accept arbitrary FHIRPath expressions and evaluate them without input validation. The FHIRPath functions matches, matchesFull, and replaceMatches pass user-controlled regular expressions directly to Java's Pattern.compile and String.replaceAll without...

HAPI FHIR: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint

All implementations of FHIRPathEngine accept arbitrary FHIRPath expressions and evaluate them without input validation. The FHIRPath functions matches, matchesFull, and replaceMatches pass user-controlled regular expressions directly to Java's Pattern.compile and String.replaceAll without...

HAPI FHIR: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint

All implementations of FHIRPathEngine accept arbitrary FHIRPath expressions and evaluate them without input validation. The FHIRPath functions matches, matchesFull, and replaceMatches pass user-controlled regular expressions directly to Java's Pattern.compile and String.replaceAll without...

HAPI FHIR: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint

All implementations of FHIRPathEngine accept arbitrary FHIRPath expressions and evaluate them without input validation. The FHIRPath functions matches, matchesFull, and replaceMatches pass user-controlled regular expressions directly to Java's Pattern.compile and String.replaceAll without...

PT-2026-41688

Name of the Vulnerable Software and Affected Versions CI4MS versions prior to 0.31.9.0 Description Stored Cross-Site Scripting XSS exists due to a failure in the html purify validation rule used to sanitize blog post bodies. The rule relies on by-reference mutation ?string &$str, but the underlyi...

nimiq-keys: Unchecked Ed25519 signature length in TaggedPublicKey::verify causes remote node panic via DHT

Impact A malicious network peer can crash any Nimiq full node by publishing a crafted Kademlia DHT record containing a TaggedSigned with a signature field whose byte length is not exactly 64. When the victim node's DHT verifier calls TaggedSigned::verify, execution reaches...