CVE-2009-3720

Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 03 Nov 2009, 16:00
Last modified:07 Aug 2024, 06:38

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
5 MEDIUM
v2.0 (nvd)
EPSS Score
1.57% LOW
2% probability +0.41%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

03 Nov 2009, 16:00
Published
Vulnerability first disclosed
07 Aug 2024, 06:38
Last Modified
Vulnerability information updated

Description

The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger a buffer over-read, a different vulnerability than CVE-2009-2625.

CVSS Metrics

  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 1.57%• Percentile: 82%

Affected Systems

  • Unknown•HTTP Server

    ≥ 2.0.35, < 2.0.64 | ≥ 2.2.0, < 2.2.17

  • libexpat_project•libexpat

    2.0.1

References (93)