What’s Vulnerable › Vulnerabilities

CVE-2018-20593

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-30 · updated 2026-06-17
• Weakness: CWE-787

Description

In Mini-XML (aka mxml) v2.12, there is stack-based buffer overflow in the scan_file function in mxmldoc.c.

Affected products

• Fedoraproject Fedora: 28, 29
• Msweet Mini-Xml: 2.12

References

• https://github.com/michaelrsweet/mxml/issues/237
• https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/so_mxmldoc.c:2971_1.txt.err
• https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/so_mxmldoc.c:2987_1.txt.err
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/
• https://github.com/michaelrsweet/mxml/issues/237
• https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/so_mxmldoc.c:2971_1.txt.err
• https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/so_mxmldoc.c:2987_1.txt.err
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/

Get alerted when CVE-2018-20593 or the next vulnerability affects your stack