CVE-2008-4409 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 8.5% (pctl 95)
Patch early
A public exploit exists.
Description
libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash), as demonstrated by use of xmllint on a certain XML document, a different vulnerability than CVE-2003-1564 and CVE-2008-3281.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 8.53% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-399 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2008-10-03 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| xmlsoft | libxml2 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | libxml2 - Denial of Service | 2008-10-02 |
References
- http://bugzilla.gnome.org/show_bug.cgi?id=554660
- http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html
- http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html
- http://openwall.com/lists/oss-security/2008/10/02/4
- http://secunia.com/advisories/32130
- http://secunia.com/advisories/32175
- http://secunia.com/advisories/32974
- http://secunia.com/advisories/35379
- http://security.gentoo.org/glsa/glsa-200812-06.xml
- http://support.apple.com/kb/HT3613
- http://support.apple.com/kb/HT3639
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:212
- http://www.securityfocus.com/bid/31555
- http://www.vupen.com/english/advisories/2009/1522
- http://www.vupen.com/english/advisories/2009/1621
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45633
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00125.html
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00130.html
- http://bugzilla.gnome.org/show_bug.cgi?id=554660
- http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html
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