UBUNTU-CVE-2026-76956

In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content...

ALPINE-CVE-2026-66046

Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an ON^2 linear scan of elementType-defaultAtts to determine CDATA status. ...

CVE-2026-66046 Expat Denial of Service via storeAtts() Quadratic Complexity

Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an ON^2 linear scan of elementType-defaultAtts to determine CDATA status. ...

ANT-2026-5BD488PV · graphicsmagick · Stack-buffer-overflow

stack-buffer-overflow high Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-5BD488PV: Stack-buffer-overflow in locale.c:257...

PT-2026-77055

Name of the Vulnerable Software and Affected Versions Expat versions prior to 2.8.4 Description A denial of service issue exists due to quadratic algorithmic complexity within the storeAtts function in xmlparse.c. When processing N specified attributes with non-normalized values, the system...

CVE-2026-50645 vulnerabilities

Vulnerabilities for packages: apache-tika-fips, wso2is, apache-tika...

CVE-2026-71979

INDI Instrument Neutral Distributed Interface indiserver through 2.2.4.2, fixed in commit 96bbd7f, contains a stack buffer overflow vulnerability that allows unauthenticated remote attackers to crash the daemon by sending malformed XML with mismatched tags whose names exceed 1024 bytes. Attackers...

CVE-2026-71979

INDI indiserver through 2.2.4.2 has a stack buffer overflow in MsgQueue.cpp triggered by unauthenticated remote attackers sending a single TCP packet on port 7624 with malformed XML tags exceeding 1024 bytes, causing an unbounded sprintf() write and daemon crash. Fixed in commit 96bbd7f. No in-th...

CVE-2026-75058

In JetBrains IntelliJ IDEA before 2026.2.1 xXE was possible in the Eclipse settings importers...

BIT-APR-UTIL-2026-32327 Apache Portable Runtime Utility: apr-util XML stack recursion crash

A bug in APR-util version 1.6.3 and earlier allows a stack recursion attack against any library consumer which parses XML from untrusted sources and uses the aprxmlquoteelem function. Users are recommended to upgrade to version 1.6.4, which fixes this issue...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-099491)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099491 advisory. libexpat before 2.8.2 does not consider XMLTOKDATACHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases ...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-099518)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099518 advisory. libexpat before 2.8.2 has an integer overflow in XMLParseBuffer because it lacked a check that was present in XMLParse. Tenable has extracted the preceding descripti...

PT-2026-73243

A bug in APR-util version 1.6.3 and earlier allows a stack recursion attack against any library consumer which parses XML from untrusted sources and uses the apr xml quote elem function. Users are recommended to upgrade to version 1.6.4, which fixes this issue...

EUVD-2026-58668

Datavane TIS v5.0.0 contains an XML external entity XXE injection vulnerability that allows authenticated attackers to perform server-side request forgery and out-of-band file exfiltration by supplying a crafted taskScript payload to the doEditWorkflow endpoint, which processes XML through an...

UBUNTU-CVE-2026-73569

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From 5.9.3 until 5.10.1, src/xmlparser/OrderedObjParser.js processes multiple DOCTYPE declarations within a single XML document and passes each declaration's entities through addInputEntities...

CVE-2026-73569

CVE-2026-73569 affects fast-xml-parser (OrderedObjParser.js). When parsing a single XML with multiple DOCTYPE declarations (versions 5.9.3–5.10.1), addInputEntities() repeatedly resets entity-expansion limits, allowing repeated resets within one parse. This can cause excessive CPU use, event-loop...

EUVD-2026-58184

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From 5.9.3 until 5.10.1, src/xmlparser/OrderedObjParser.js processes multiple DOCTYPE declarations within a single XML document and passes each declaration's entities through addInputEntities...

EUVD-2026-57212

Improper restriction of XML external entity reference vulnerability in Ministry of Justice UYAP Document Editor allows Serialized Data External Linking. This issue affects UYAP Document Editor: from 4.5.17 before 5.4.17...

CVE-2026-16999

CVE-2026-16999 describes an XML External Entity (XXE) vulnerability in the Ministry of Justice UYAP Document Editor due to improper restriction of XML external entity references. Affected versions are UYAP Document Editor 4.5.17 before 5.4.17. The issue is associated with Serialized Data External...

Slackware Linux 15.0 / current expat Vulnerability (SSA:2026-223-01)

The version of expat installed on the remote host is prior to 2.7.5 / 2.8.3. It is, therefore, affected by a vulnerability as referenced in the SSA:2026-223-01 advisory. New expat packages are available for Slackware 15.0 and -current to fix a security issue. Tenable has extracted the preceding...