CVE-2013-4520
UnknownEPSS 2.36%
Last modified
CVE-2013-4520 is a vulnerability of currently unknown severity. xslt.c in libxslt before 1.1.25 allows context-dependent attackers to cause a denial of service (crash) via a stylesheet that embeds a DTD, which causes a structure to be accessed as a different type. NOTE: this issue is due to an incomplete fix for CVE-2012-2825.. EPSS estimates a 2.36% chance of exploitation in the next 30 days.
Description
xslt.c in libxslt before 1.1.25 allows context-dependent attackers to cause a denial of service (crash) via a stylesheet that embeds a DTD, which causes a structure to be accessed as a different type. NOTE: this issue is due to an incomplete fix for CVE-2012-2825.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xmlsoft | Libxslt | <= 1.1.24 |
| Xmlsoft | Libxslt | 0.0.1 |
| Xmlsoft | Libxslt | 0.1.0 |
| Xmlsoft | Libxslt | 0.2.0 |
| Xmlsoft | Libxslt | 0.3.0 |
| Xmlsoft | Libxslt | 0.4.0 |
| Xmlsoft | Libxslt | 0.5.0 |
| Xmlsoft | Libxslt | 0.6.0 |
| Xmlsoft | Libxslt | 0.7.0 |
| Xmlsoft | Libxslt | 0.8.0 |
| Xmlsoft | Libxslt | 0.9.0 |
| Xmlsoft | Libxslt | 0.10.0 |
| Xmlsoft | Libxslt | 0.11.0 |
| Xmlsoft | Libxslt | 0.12.0 |
| Xmlsoft | Libxslt | 0.13.0 |
| Xmlsoft | Libxslt | 0.14.0 |
| Xmlsoft | Libxslt | 1.0.0 |
| Xmlsoft | Libxslt | 1.0.1 |
| Xmlsoft | Libxslt | 1.0.2 |
| Xmlsoft | Libxslt | 1.0.3 |
| Xmlsoft | Libxslt | 1.0.4 |
| Xmlsoft | Libxslt | 1.0.5 |
| Xmlsoft | Libxslt | 1.0.6 |
| Xmlsoft | Libxslt | 1.0.7 |
| Xmlsoft | Libxslt | 1.0.8 |
| Xmlsoft | Libxslt | 1.0.9 |
| Xmlsoft | Libxslt | 1.0.10 |
| Xmlsoft | Libxslt | 1.0.11 |
| Xmlsoft | Libxslt | 1.0.12 |
| Xmlsoft | Libxslt | 1.0.13 |
| Xmlsoft | Libxslt | 1.0.14 |
| Xmlsoft | Libxslt | 1.0.15 |
| Xmlsoft | Libxslt | 1.0.16 |
| Xmlsoft | Libxslt | 1.0.17 |
| Xmlsoft | Libxslt | 1.0.18 |
| Xmlsoft | Libxslt | 1.0.19 |
| Xmlsoft | Libxslt | 1.0.20 |
| Xmlsoft | Libxslt | 1.0.21 |
| Xmlsoft | Libxslt | 1.0.22 |
| Xmlsoft | Libxslt | 1.0.23 |
| Xmlsoft | Libxslt | 1.0.24 |
| Xmlsoft | Libxslt | 1.0.25 |
| Xmlsoft | Libxslt | 1.0.26 |
| Xmlsoft | Libxslt | 1.0.27 |
| Xmlsoft | Libxslt | 1.0.28 |
| Xmlsoft | Libxslt | 1.0.29 |
| Xmlsoft | Libxslt | 1.0.30 |
| Xmlsoft | Libxslt | 1.0.31 |
| Xmlsoft | Libxslt | 1.0.32 |
| Xmlsoft | Libxslt | 1.0.33 |
Showing 50 of 74 affected configurations. See NVD for the full list.
References
- http://secunia.com/advisories/56072Vendor Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=849019Exploit, Patch
- http://secunia.com/advisories/56072Vendor Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=849019Exploit, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2013-4520?
xslt.c in libxslt before 1.1.25 allows context-dependent attackers to cause a denial of service (crash) via a stylesheet that embeds a DTD, which causes a structure to be accessed as a different type. NOTE: this issue is due to an incomplete fix for CVE-2012-2825.
How severe is CVE-2013-4520?
Severity scoring for CVE-2013-4520 is pending analysis. The EPSS model estimates a 2.36% probability of exploitation in the next 30 days.
How do I fix CVE-2013-4520?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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