Back
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…
- 4.3MediumCVSS base score
- 2.3%Exploitation in 30 daysEPSS · top 17% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 6 months later
· 6 months later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
References8
- [oss-security] 20131105 Re: CVE Request: additional fix for CVE-2012-2825 libxslt crash (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://gitorious.org/libxslt/libxslt/commit/7089a62b8f133b42a2981cf1f920a8b3fe9a8caa (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2013:1654 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2013:1656 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 56072 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.novell.com/show_bug.cgi?id=849019 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 99671 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- [oss-security] 20131105 CVE Request: additional fix for CVE-2012-2825 libxslt crash (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-4379 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-4520)Record last updated .