GHSA-pc2v-ppxx-vfq5LowCVSS 3.6
Mini-XML 4.0.0 through 4.0.6 contains an off-by-one stack out-of-bounds write in mxml_strtod()...
🔗 CVE IDs covered (1)
📋 Description
Mini-XML 4.0.0 through 4.0.6 contains an off-by-one stack out-of-bounds write in mxml_strtod() when the locale decimal point is not '.'. Attackers can supply XML with a 63-digit REAL value followed by '.' to write a NUL byte past the 64-byte stack buffer, corrupting stack memory or crashing the process.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-110604
- https://github.com/michaelrsweet/mxml/commit/367c7ddd3387f65e867d776216de274bcaa3dae1
- https://github.com/michaelrsweet/mxml/blob/v4.0.6/mxml-file.c#L1860-L1887
- https://hackmd.io/@haind-pwn/mxml-strtod-locale-stack-overflow
- https://www.vulncheck.com/advisories/mini-xml-4.0.0-through-4.0.6-stack-out-of-bounds-write-via-mxml-strtod
- https://hackmd.io/@haind-pwn/cve-2026-110604-mxml-strtod-locale-stack-overflow
- https://github.com/advisories/GHSA-pc2v-ppxx-vfq5