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01 Record

CVE-2019-8259

UltraVNC revision 1198 contains multiple memory leaks (CWE-655) in VNC client code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another

UnratedPUBLISHEDCNA: Kaspersky
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

UltraVNC revision 1198 contains multiple memory leaks (CWE-655) in VNC client code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.00% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 87.2% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-03-05 15:00Z7 YR AGO
Last updated
2024-09-16 20:59Z2 YR AGO
Reserved
2019-02-12
Assigning CNA
Kaspersky
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-665Improper InitializationClass
  • CWE-401Missing Release of Memory after Effective LifetimeVariant
Data version
5.1
Document digest
50e96357f05bb18ae3f2b98576725f797d09609e9890abee396ffa70f0620761

05 Affected products

VendorProductVersionsPlatforms
UltraVNCUltraVNC1.2.2.3—

06 References