expat: Integer overflow in addBinding in xmlparse.c

expat libexpat is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability confidentiality a...

expat: Integer overflow in nextScaffoldPart in xmlparse.c

expat libexpat is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability,...

firefox: thunderbird: expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing

A memory amplification vulnerability in libexpat allows attackers to trigger excessive dynamic memory allocations by submitting specially crafted XML input. A small input 250 KiB can cause the parser to allocate hundreds of megabytes, leading to denial-of-service DoS through memory exhaustion...

libexpat: expat: Improper Restriction of XML Entity Expansion Depth in libexpat

A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat can be forced to recurse indefinitely, exhausting the stack space and causing a crash...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: expat (UTSA-2025-991053)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-991053 advisory. Expat aka libexpat before 2.4.4 has an integer overflow in the doProlog function. Tenable has extracted the preceding description block directly from the Unity Linux...

libexpat: expat: Improper Restriction of XML Entity Expansion Depth in libexpat

A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat can be forced to recurse indefinitely, exhausting the stack space and causing a crash...

firefox: thunderbird: expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing

A memory amplification vulnerability in libexpat allows attackers to trigger excessive dynamic memory allocations by submitting specially crafted XML input. A small input 250 KiB can cause the parser to allocate hundreds of megabytes, leading to denial-of-service DoS through memory exhaustion...

expat: Integer overflow in nextScaffoldPart in xmlparse.c

expat libexpat is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability,...

Alibaba Cloud Linux 3 : 0188: mingw-expat (ALINUX3-SA-2025:0188)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2025:0188 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2025-59375: libexpat in Expat before 2.7.2 allo...

firefox: thunderbird: expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing

A memory amplification vulnerability in libexpat allows attackers to trigger excessive dynamic memory allocations by submitting specially crafted XML input. A small input 250 KiB can cause the parser to allocate hundreds of megabytes, leading to denial-of-service DoS through memory exhaustion...

libexpat: expat: Improper Restriction of XML Entity Expansion Depth in libexpat

A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat can be forced to recurse indefinitely, exhausting the stack space and causing a crash...

Linux Distros Unpatched Vulnerability : CVE-2025-66382

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time. CVE-2025-66382 Note that Nessus...

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.

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SUSE CVE-2025-66382

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time...

EUVD-2025-199862

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time...

CVE-2025-66382

A flaw was found in libexpat. This vulnerability allows a denial of service DoS by processing a crafted file with an approximate size of 2 MiB, leading to dozens of seconds of processing time...

CVE-2025-66382

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time...

AZL-71054 CVE-2025-66382 affecting package expat 2.6.4-4

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time...

UBUNTU-CVE-2025-66382

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time...

PT-2025-48315

Name of the Vulnerable Software and Affected Versions libexpat versions through 2.7.3 Description A specially crafted file, approximately 2 MiB in size, can cause significant processing delays, potentially lasting for dozens of seconds. Recommendations Update to a version later than 2.7.3...