Unscored severity · published Dec 4, 2009
CVE-2009-3560
The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a denial of service…
–
CVSS
24.3%
EPSS
No
On KEV
Description
The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with malformed UTF-8 sequences that trigger a buffer over-read, related to the doProlog function in lib/xmlparse.c, a different vulnerability than CVE-2009-2625 and CVE-2009-3720.
Exploitation
Is it being used?
Exploit prediction (EPSS)24.3% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HS
HTTP Server · Apache
2.0.35 before 2.0.64; 2.2.0 before 2.2.17 · source: NVD
LI
Libexpat · Libexpat Project
2.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2009-3560
CVE.org
https://www.cve.org/CVERecord?id=CVE-2009-3560
Permissions Required
http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?r1=1.164&r2=1.165
Broken Link
http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?view=log#rev1.165
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
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