CVE-2026-4224 Stack overflow parsing XML with deeply nested DTD content models

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs...

CVE-2026-4224

CVE-2026-4224 is a CPython vulnerability: when an Expat parser with a registered ElementDeclHandler parses an inline DTD containing a deeply nested content model, a C stack overflow can occur. The connected advisories confirm this affects multiple Python3 series (3.9, 3.11, 3.12, 3.13, 3.14) and ...

CVE-2026-25780

A memory exhaustion flaw has been discovered in the Mattermost server. Affected versions fail to bound memory allocation when processing DOC files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted DOC file. Mitigation...

EUVD-2026-12349

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the PSD file preview. An attacker can exhaust server memory resources by uploading a specially crafted PSD file, potentially leading to a denial of service. Remediation Upgrade...

EUVD-2026-12417

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to bound memory allocation when processing PSD image files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted PSD file. Mattermost Advisory I...

EUVD-2017-18932

Serviio PRO 1.8 DLNA Media Streaming Server contains a DOM-based cross-site scripting vulnerability that allows attackers to execute arbitrary HTML and script code by injecting malicious payloads. Attackers can craft URLs with malicious input that is read from document.location and passed to...

CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

CVE-2026-26246

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to bound memory allocation when processing PSD image files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted PSD file. Mattermost Advisory I...

CVE-2026-25780 Memory Exhaustion via Malformed DOC File Upload

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to bound memory allocation when processing DOC files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted DOC file.. Mattermost Advisory ID:...

CVE-2026-25780

CVE-2026-25780 affects Mattermost where certain 11.3.x, 11.2.x, and 10.11.x versions fail to bound memory allocation while processing DOC files, leading to server memory exhaustion and denial of service. The vulnerability is triggered by uploading a specially crafted DOC file and requires authent...

CVE-2026-25780 Memory Exhaustion via Malformed DOC File Upload

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to bound memory allocation when processing DOC files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted DOC file.. Mattermost Advisory ID:...

Infinite loop

Overview Affected versions of this package are vulnerable to Infinite loop in the DTD parsing process. An attacker can cause the application to enter an infinite loop by providing specially crafted DTD content. Remediation Upgrade expat to version 2.7.5 or higher. References - GitHub Commit -...

CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

CVE-2026-32777

CVE-2026-32777 affects libexpat prior to 2.7.5, where parsing DTD content can trigger an infinite loop. This behavior can cause a denial of service if a system processes crafted DTDs. The available connected documents confirm the issue and its relation to libexpat’s DTD parsing loop, with no expl...

CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content...

PT-2026-25656

An out-of-bounds read vulnerability exists in the EMF functionality of Canva Affinity. By using a specially crafted EMF file, an attacker could exploit this vulnerability to perform an out-of-bounds read, potentially leading to the disclosure of sensitive information...

PT-2026-25647

An out‑of‑bounds write vulnerability exists in the EMF functionality of Canva Affinity. By using a specially crafted EMF file, an attacker could exploit this vulnerability to perform an out‑of‑bounds write, potentially leading to code execution...

PT-2026-25644

An out-of-bounds read vulnerability exists in the EMF functionality of Canva Affinity. By using a specially crafted EMF file, an attacker could exploit this vulnerability to perform an out-of-bounds read, potentially leading to the disclosure of sensitive information...

PT-2026-25655

An out-of-bounds read vulnerability exists in the EMF functionality of Canva Affinity. By using a specially crafted EMF file, an attacker could exploit this vulnerability to perform an out-of-bounds read, potentially leading to the disclosure of sensitive information...