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Libexpat

libexpat

Vendor: Libexpat Project • 64 CVEs

CVEs (64)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
2Apple
Libexpat Project
2Libexpat
Mac Os X
Apr 29, 2026
Jul 3, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
readfilemap.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (file descriptor consumption) via a large number of crafted XML files.
6Canonical
DebianLibexpat Project+3 more
11Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+8 more
Apr 29, 2026
Jul 3, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU co...Show more
The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.Show less
2Apache
Libexpat Project
2Http Server
Libexpat
Apr 23, 2026
Dec 4, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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 m...Show more
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.Show less
2Apache
Libexpat Project
2Http Server
Libexpat
Jul 20, 2026
Nov 3, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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) v...Show more
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.Show less