CVE-2018-20593
CVE-2018-20593 is a medium-severity vulnerability in Msweet Mini-xml with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Msweet Mini-xml
- Published:
- Last modified:
Description
In Mini-XML (aka mxml) v2.12, there is stack-based buffer overflow in the scan_file function in mxmldoc.c.
Frequently asked questions
- What is CVE-2018-20593?
- In Mini-XML (aka mxml) v2.12, there is stack-based buffer overflow in the scan_file function in mxmldoc.c.
- How severe is CVE-2018-20593?
- CVE-2018-20593 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-20593 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20593?
- CVE-2018-20593 primarily affects Msweet Mini-xml. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-20593?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-20593 published?
- CVE-2018-20593 was published on 2018-12-30 and last updated on 2026-06-17.
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/
Affected products (3)
- cpe:2.3:a:msweet:mini-xml:2.12:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
More vulnerabilities in Msweet Mini-xml
- CVE-2018-20592 — Medium (CVSS 5.5): In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote…
- CVE-2018-20005 — Medium (CVSS 5.5): An issue has been found in Mini-XML (aka mxml) 2.12. It is a use-after-free in mxmlWalkNext in mxml-search.c, as…
All CVEs affecting Msweet Mini-xml →
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