CVE-2024-45490
HighUpdated
Published: 30 August 2024
Published
30 August 2024
Modified
12 May 2026
KEV Added
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Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0061
70.3th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2024-45490 is a high-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Libexpat Project Libexpat. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 29.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-41509
Vulnerability details
An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
libexpat project
libexpat
≤ 2.6.3
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.