Buffer overflow in Mxml
CVE-2026-5037
A vulnerability was determined in mxml up to 4.0.4. This issue affects the function index_sort of the file mxml-index.c of the component mxmlIndexNew. Executing a manipulation of the argument tempr can lead to stack-based buffer overflow…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (4.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- N/a Mxml — versions 4.0.0, 4.0.1, 4.0.2
Weakness classification (CWE)
References
- VDB-353963 | mxml mxmlIndexNew mxml-index.c index_sort stack-based overflow (technical-description, vdb-entry)
- VDB-353963 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #778638 | michaelrsweet mxml 4.0.4 Heap-based Buffer Overflow (third-party-advisory)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (exploit)
- cna@vuldb.com (patch)
Frequently asked questions
- What is CVE-2026-5037?
- CVE-2026-5037 is a low-severity vulnerability in Mxml, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-03-29.
- How severe is CVE-2026-5037?
- Low severity. CVSS v3 base score is 3.3 out of 10.