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Expat libexpatUse After Free

Risk 42
Severity
5.9
First published (updated )
CVE-2026-50219

oss-seclibexpat 2.8.1 fixes CVE-2026-45186 (denial of service)

First published (updated )
https://seclists.org/oss-sec/2026/q2/486

Python Software Foundation CPythonThe expat and elementtree parsers use insufficient entropy for XML hash-flooding protection

Risk 62
Severity
6.3
EPSS
0.06%
First published (updated )
CVE-2026-7210

Expat libexpatIn libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a d…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2468575

Expat libexpatlibexpat 2.8.1 fixes CVE-2026-45186 (denial of service)

Risk 46
Severity
7.5
First published (updated )
CVE-2026-45186
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oss-seclibexpat 2.8.0 fixes CVE-2026-41080 (insufficient entropy)

First published (updated )
https://seclists.org/oss-sec/2026/q2/218

Libexpat Project Libexpatlibexpat 2.8.0 fixes CVE-2026-41080 (insufficient entropy)

Risk 46
Severity
7.5
First published (updated )
CVE-2026-41080

oss-seclibexpat 2.7.5 fixes the vulnerabilities (2x null def, 1x infinite loop)

First published (updated )
https://seclists.org/oss-sec/2026/q1/331

Expat libexpatlibexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a sm…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2395108

F5 BIG-IPlibexpat 2.7.2 fixes CVE-2025-59375 (DoS, CWE-770)

Risk 48
Severity
7.5
First published (updated )
CVE-2025-59375
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Apple iPadOSLibexpat: expat: improper restriction of xml entity expansion depth in libexpat

Risk 48
Severity
7.5
First published (updated )
CVE-2024-8176

Expat libexpatThe libexpat library is vulnerable to a stack overflow due to uncontrolled recursion when processing…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2310137

Expat libexpatAn issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for X…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2308615

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