CVE-2026-110604
CVE-2026-110604 · Mini-XML 4.0.0 through 4.0.6 Stack Out-of-Bounds Write via mxml_strtod()
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 2.0 · Low · EPSS 0.2%
- Published
- Updated
Stack: system
Affected products and versions
mini-xml
- Versions
- ≥ 4.0.0, ≤ 4.0.6: Affected (semver)
No fix published
mxml Debian:12
- Versions
- 3.3.1-1
- 4.0.1-1
- 4.0.2-1
- 4.0.3-1
- 4.0.4-1
- 4.0.4-3
- 4.0.4-4
- 4.0.4-5
- 4.0.4-6
- 4.0.5-1
- 4.0.6-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mxml Debian:13
- Versions
- 3.3.1-1
- 3.3.1-1+deb13u1
- 3.3.1-1+deb13u1~deb12u1
- 4.0.1-1
- 4.0.2-1
- 4.0.3-1
- 4.0.4-1
- 4.0.4-3
- 4.0.4-4
- 4.0.4-5
- 4.0.4-6
- 4.0.5-1
- 4.0.6-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mxml Debian:14
- Versions
- 3.3.1-1
- 4.0.1-1
- 4.0.2-1
- 4.0.3-1
- 4.0.4-1
- 4.0.4-3
- 4.0.4-4
- 4.0.4-5
- 4.0.4-6
- 4.0.5-1
- 4.0.6-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mxml Ubuntu:16.04:LTS
- Versions
- 2.7-1
- 2.9-0ubuntu1
- 2.9-0ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mxml Ubuntu:18.04:LTS
- Versions
- 2.10-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mxml Ubuntu:20.04:LTS
- Versions
- 2.12-2
- 3.1-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mxml Ubuntu:22.04:LTS
- Versions
- 3.2-1
- 3.3-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mxml Ubuntu:24.04:LTS
- Versions
- 3.3.1-1
- 3.3.1-1build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mxml Ubuntu:26.10
- Versions
- 3.3.1-1build2
- 4.0.4-6
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mxml Ubuntu:26.04:LTS
- Versions
- 3.3.1-1build1
- 3.3.1-1build2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://hackmd.io/@haind-pwn/mxml-strtod-locale-stack-overflow
- https://github.com/michaelrsweet/mxml/blob/v4.0.6/mxml-file.c#L1860-L1887
- https://github.com/michaelrsweet/mxml/commit/367c7ddd3387f65e867d776216de274bcaa3dae1
- 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://nvd.nist.gov/vuln/detail/CVE-2026-110604