Vulnerability Description
libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, aka the "billion laughs attack."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xmlsoft | Libxml2 | < 2.5.0 |
Related Weaknesses (CWE)
References
- http://mail.gnome.org/archives/xml/2008-August/msg00034.htmlMailing ListPatch
- http://secunia.com/advisories/31868Broken Link
- http://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2Issue Tracking
- http://www.redhat.com/support/errata/RHSA-2008-0886.htmlBroken Link
- http://www.stylusstudio.com/xmldev/200302/post20020.htmlBroken Link
- http://xmlsoft.org/news.htmlRelease Notes
- http://mail.gnome.org/archives/xml/2008-August/msg00034.htmlMailing ListPatch
- http://secunia.com/advisories/31868Broken Link
- http://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2Issue Tracking
- http://www.redhat.com/support/errata/RHSA-2008-0886.htmlBroken Link
- http://www.stylusstudio.com/xmldev/200302/post20020.htmlBroken Link
- http://xmlsoft.org/news.htmlRelease Notes
FAQ
What is CVE-2003-1564?
CVE-2003-1564 is a vulnerability with a CVSS score of 6.5 (MEDIUM). libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a cra...
How severe is CVE-2003-1564?
CVE-2003-1564 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2003-1564?
Check the references section above for vendor advisories and patch information. Affected products include: Xmlsoft Libxml2.