CVE-2019-6991
ZoneMinder
- Published
- 28 January 2019
- Last modified
- 17 June 2026
- CVSS
- 9.8 v3.0
- Severity
- critical
- EPSS
- 3.3% (88th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-787
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
A classic Stack-based buffer overflow exists in the zmLoadUser() function in zm_user.cpp of the zmu binary in ZoneMinder through 1.32.3, allowing an unauthenticated attacker to execute code via a long username.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. The catalogue records confirmed public exploitation. Absence from it does not establish that exploitation has not occurred. EPSS models a 3.3% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| Zoneminder | ZoneMinder | Video management software | 0.0.1, 0.9.10, 0.9.11, 0.9.12 +66 |
References
Vendor advisory and patch
- https://github.com/ZoneMinder/zoneminder/pull/2482
- https://github.com/ZoneMinder/zoneminder/pull/2482
- https://github.com/ZoneMinder/zoneminder/issues/2478 exploit
- https://github.com/ZoneMinder/zoneminder/issues/2478 exploit
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.