CVE-2026-88385

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML parsing. Specially crafted XML input can cause text nodes allocated by mxmlNewText() to become unlinked before a parse error transfers control to the cleanup path. These orphaned nodes are not released, resulting in a persistent memory leak on each parsing attempt. Repeated attacker-controlled requests can cause cumulative memory exhaustion and denial of service.

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-25)

CWE

CWE-401

Published

2026-09-24

Modified

2026-10-06

Record from

the NVD, synced 2026-10-19

References

• https://github.com/michaelrsweet/mxml/commit/83ef80ae3c5413b73f501edb59ee74e31ce399d0
• https://github.com/michaelrsweet/mxml/issues/356
• https://github.com/michaelrsweet/mxml/issues/356

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