Important: Red Hat Security Advisory: expat security update

An update for expat is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

libexpat: denial of service via crafted XML input

A flaw was found in libexpat. When processing a specially crafted XML input containing a specific pattern of attributes, the parsing time increases quadratically due to checks for attribute name collisions. This consumes excessive CPU resources and eventually results in a denial of service...

ALSA-2026:22721 Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: libexpat: denial of service via crafted XML input CVE-2026-45186 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the...

CVE-2026-41401

libyang before 5.2.6 contains a heap use-after-free write vulnerability in lydparsersetdataflags that incorrectly updates metadata list pointers when freeing non-head default metadata entries. Attackers can trigger this vulnerability by submitting crafted YANG XML documents with specific metadata...

CVE-2026-7310

CVE-2026-7310: A heap-based buffer overflow exists in the XML parser functionality of HiDraw. An authenticated attacker with local access can trigger this via a specially crafted XML file, potentially causing memory corruption and arbitrary code execution. Reported impacts include application cra...

Hitachi Energy HiDraw 安全漏洞

Hitachi Energy HiDraw is a power transformer design software developed by Hitachi Corporation in Japan. Hitachi Energy HiDraw contains a security vulnerability caused by a heap buffer overflow. This vulnerability could allow malicious users with local access to cause memory corruption and potenti...

OESA-2026-2433 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via...

OESA-2026-2432 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via...

OESA-2026-2430 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via...

Astra Linux - уязвимость в netcdf

A issue was discovered in ezXML 0.8.3 through 0.8.6. The function ezxmldecode, when parsing a crafted XML file, performs incorrect memory handling. This results in an overflow of the heap-based buffer when strchr is called, starting with a pointer after a '\0' character where the processing of th...

Astra Linux - уязвимость в netcdf

A issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxmlinternaldtd, when parsing a crafted XML file, performs incorrect memory handling, resulting in a NULL pointer being dereferenced while running strcmp on a NULL pointer...

CVE-2026-7307

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

Low: firefox

Issue Overview: libexpat before 2.7.6 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document. CVE-2026-41080 Affected Packages: firefox Issue Correction: Run dnf update firefox --releasever 2023.11.20260514 or dnf update --advisory ALAS2023-2026-1706 --releasever...

[slackware-security] expat

New expat packages are available for Slackware 15.0 and -current to fix a security issue. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/expat-2.7.5-i586-2slack15.0.txz: Rebuilt. This update fixes a security issue: Fix quadratic runtime from attribute name collision chec...

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Overview docling is a SDK and CLI for parsing PDF, DOCX, HTML, and more, to a unified document representation for powering downstream workflows such as gen AI applications. Affected versions of this package are vulnerable to Improper Restriction of Recursive Entity References in DTDs 'XML Entity...

CVE-2026-31248

Docling's METS GBS backend is vulnerable to XML Entity Expansion XXE attacks thru 2.61.0. The backend extracts and validates XML files from .tar.gz archives using etree.fromstring without disabling entity resolution. An attacker can craft a malicious XML file with nested entity definitions XML Bo...

CVE-2026-45186

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input...

CVE-2026-45186

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input...

CVE-2026-45186

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input...

CVE-2026-45186

CVE-2026-45186 affects libexpat prior to 2.8.1, where the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input. The NVD entry reports a high impact on availability (CVSS: 7.5) with network attack vector and no privileges. Pu...