Vulnerability · Published Sep 17, 2026 · Assigned by NI
CVE-2026-19477Stack-based Buffer Overflow Vulnerability in Linux (uldaq)
High 7.8
In plain English
A high-severity stack buffer overflow in Universal Library for Linux (uldaq) from MCC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 89.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
There is stack-based buffer overflow vulnerability recently discovered in MCC Universal Library for Linux (uldaq). This may result in information disclosure or arbitrary code execution. This vulnerability affects MCC Universal Library for Linux (uldaq) v1.2.1 and prior versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MCC | Universal Library for Linux (uldaq) | 0 – through 1.2.1 |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H