CVE-2026-5037
low
CVSS v3
3.3
CVSS v2
1.7
VIR risk
3.3
Description
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. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 6e27354466092a1ac65601e01ce6708710bb9fa5. A patch should be applied to remediate this issue.
Predictions
Exploit likelihood
34%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-5037
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-5037.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 4.0.4-4 |
| debian | sid | fixed | 4.0.4-4 |
| debian | trixie | affected | |
References
- https://github.com/michaelrsweet/mxml/commit/6e27354466092a1ac65601e01ce6708710bb9fa5
- https://github.com/michaelrsweet/mxml/issues/350
- https://github.com/michaelrsweet/mxml/issues/350#issuecomment-4051317229
- https://github.com/user-attachments/files/25934383/1.xml
- https://vuldb.com/submit/778638
- https://vuldb.com/vuln/353963
- https://vuldb.com/vuln/353963/cti
- https://www.suse.com/security/cve/CVE-2026-5037.html
- https://security-tracker.debian.org/tracker/CVE-2026-5037
CWEs
CWE-119 CWE-121
Verify integrity in audit chain (admin only). AS-IS.