MGASA-2026-0155: tigervnc Mageia

CVSS: UnknownPublished
Published 26-05-2026Last modified 26-05-2026
Open JSON

Vulnerability summary

MGASA-2026-0155 is a vulnerability in tigervnc Mageia with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 5 · Downstream 0
CVE-2026-33999CVE-2026-34000CVE-2026-34001CVE-2026-34002CVE-2026-34003

Timeline

  1. 26-05-2026
    PublishedVulnerability first disclosed.
  2. 26-05-2026
    Last modifiedVulnerability information updated.

Description

Updated x11-server, x11-server-xwayland & tigervnc packages fix security vulnerabilities XKB Integer Underflow in XkbSetCompatMap(). (CVE-2026-33999) XKB Out-of-bounds Read in CheckSetGeom(). (CVE-2026-34000) XSYNC Use-after-free in miSyncTriggerFence(). (CVE-2026-34001) XKB Out-of-bounds read in CheckModifierMap(). (CVE-2026-34002) XKB Buffer overflow in CheckKeyTypes(). (CVE-2026-34003)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Mageia3 products
  • tigervnc< 1.13.1-2.11.mga9
  • x11-server< 21.1.8-7.10.mga9
  • x11-server-xwayland< 22.1.9-1.10.mga9

1 vendor · 3 products

References

5 links