Description
A security vulnerability has been detected in michaelrsweet mxml 4.0.5/4.0.6. This affects the function mxml_load_data of the file mxml-file.c. The manipulation leads to use after free. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
References8
- github.com/michaelrsweet/mxml/
- github.com/michaelrsweet/mxml/issues/358
- github.com/user-attachments/files/32701825/poc_mxml_error_handl…
- github.com/user-attachments/files/32836547/mxml-fix-354-358.pat…
- vuldb.com/cve/CVE-2026-112094
- vuldb.com/submit/1011796
- vuldb.com/vuln/421908
- vuldb.com/vuln/421908/cti
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L - CVSS 4.0
-
2.0
LOW
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 8 · as of 10 November 2026
- CWE
- CWE-119CWE-416
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.