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CVE-2013-6393
The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to…
Medium6.8EPSS 7.4%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 7.4% · top 5.6% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmlibyamlGHSA-m75h-cghq-c8h5 (opens in a new tab)
References (21)
- openSUSE-SU-2014:0273 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-2870 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- APPLE-SA-2014-10-16-3 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1033990 (opens in a new tab)x_refsource_CONFIRMx_transferred
- APPLE-SA-2014-04-22-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- 102716 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- https://bugzilla.redhat.com/attachment.cgi?id=847926&action=diff (opens in a new tab)x_refsource_MISCx_transferred
- MDVSA-2015:060 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 65258 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://advisories.mageia.org/MGASA-2014-0040.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2015:0319 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2014:0355 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2014:0272 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2014:0354 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://support.apple.com/kb/HT6536 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2016:1067 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-2850 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2014:0353 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bitbucket.org/xi/libyaml/commits/tag/0.1.5 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://puppet.com/security/cve/cve-2013-6393 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-2098-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_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)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-m75h-cghq-c8h5 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2013-6393)Record last updated .