CVE-2026-19477 | BDVDB-2026-375540 Detail

MCCUniversal Library for Linux (uldaq)

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.

Impact#

CAPEC-100 Overflow Buffers

Weaknesses#

CWE-121 Stack-based buffer overflow

References#

Exploit#

No public exploit known

History#

Version 12026-09-17Record published in the CVE List.
Version 22026-09-28Most recent update recorded in the CVE List.

Published

Published: 2026-09-17
Last modified: 2026-09-28

Vendor information

Vendor: MCC
Product: Universal Library for Linux (uldaq)

All MCC vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 10.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 1.2.1
Fixed
Not stated

Scoring System

CVSS v4.0

8.6 High

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

7.8 High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).