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Vulnerability record · CVE-2008-3529 · published 12 September 2008

CVE-2008-3529: Xmlsoft libxml2 memory buffer overflow vulnerability

Xmlsoft · Libxml2

Heap-based buffer overflow in the xmlParseAttValueComplex function in parser.c in libxml2 before 2.7.0 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a long XML entity name.

10.0 CVSS 2.0 High EPSS 23% · top 2.3% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
106References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the xmlParseAttValueComplex function in parser.c in libxml2 before 2.7.0 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a long XML entity name.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html Mailing ListThird Party Advisory
http://lists.apple.com/archives/security-announce/2009/May/msg00000.html Mailing ListThird Party Advisory
http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html Broken LinkMailing List
http://lists.opensuse.org/opensuse-security-announce/2008-09/msg00004.html Mailing ListThird Party Advisory
http://secunia.com/advisories/31558 Third Party Advisory
http://secunia.com/advisories/31855 Third Party Advisory
http://secunia.com/advisories/31860 Third Party Advisory
http://secunia.com/advisories/31868 Third Party Advisory
http://secunia.com/advisories/31982 Third Party Advisory
http://secunia.com/advisories/32265 Third Party Advisory
http://secunia.com/advisories/32280 Third Party Advisory
http://secunia.com/advisories/32807 Third Party Advisory
http://secunia.com/advisories/32974 Third Party Advisory
http://secunia.com/advisories/33715 Third Party Advisory
http://secunia.com/advisories/33722 Third Party Advisory
http://secunia.com/advisories/35056 Third Party Advisory
http://secunia.com/advisories/35074 Third Party Advisory
http://secunia.com/advisories/35379 Third Party Advisory
http://secunia.com/advisories/36173 Third Party Advisory
http://secunia.com/advisories/36235 Third Party Advisory
http://security.gentoo.org/glsa/glsa-200812-06.xml Third Party Advisory
http://securitytracker.com/id?1020855 Third Party AdvisoryVDB Entry
http://sunsolve.sun.com/search/document.do?assetkey=1-21-126356-03-1 Broken Link
http://sunsolve.sun.com/search/document.do?assetkey=1-21-141243-01-1 Broken Link
http://sunsolve.sun.com/search/document.do?assetkey=1-26-247346-1 Broken Link
http://sunsolve.sun.com/search/document.do?assetkey=1-66-261688-1 Broken Link
http://sunsolve.sun.com/search/document.do?assetkey=1-66-265329-1 Broken Link
http://support.apple.com/kb/HT3549 Third Party Advisory
http://support.apple.com/kb/HT3550 Third Party Advisory
http://support.apple.com/kb/HT3613 Third Party Advisory
http://support.apple.com/kb/HT3639 Third Party Advisory
http://support.avaya.com/elmodocs2/security/ASA-2008-400.htm Third Party Advisory
http://support.avaya.com/elmodocs2/security/ASA-2009-025.htm Third Party Advisory
http://wiki.rpath.com/Advisories:rPSA-2008-0325 Broken Link
http://www.debian.org/security/2008/dsa-1654 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:192 Broken Link
http://www.redhat.com/support/errata/RHSA-2008-0884.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-0886.html Third Party Advisory
http://www.securityfocus.com/bid/31126 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-815-1 Third Party Advisory

Track CVE-2008-3529 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-3529), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.