RHSA-2026:28923: tigervnc Red Hat

Published

Published 25-06-2026Last modified 29-09-2026

Vulnerability summary

RHSA-2026:28923 is a high (CVSS 7.8) vulnerability in tigervnc Red Hat.

Overall risk

31/100

0100

Medium · default modelHow is this calculated?

CVSS score

7.8/10

010

High · v3.1 (OSV · Red hat), selected by version preference

EPSS scoreNot scoredRisk metrics not yet published.

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 9 · Downstream 0

CVE-2026-50256 CVE-2026-50257 CVE-2026-50258 CVE-2026-50259 CVE-2026-50260 CVE-2026-50261+3 more

Timeline

25-06-2026
PublishedVulnerability first disclosed.
29-09-2026
Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: tigervnc security update

CVSS metrics

1 score · 1 source · 1 version

v3.17.8

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Redhat12 products

tigervnc< 0:1.15.0-10.el8_10
tigervnc-debuginfo< 0:1.15.0-10.el8_10
tigervnc-debugsource< 0:1.15.0-10.el8_10
tigervnc-icons< 0:1.15.0-10.el8_10
tigervnc-license< 0:1.15.0-10.el8_10