CLSA-2026-1778003374

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778003374.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1778003374
Upstream
  • CVE-2026-33999
  • CVE-2026-34001
  • CVE-2026-34003
Published
2026-05-05T17:49:38Z
Modified
2026-06-01T00:32:51Z
Summary
tigervnc: Fix of 3 CVEs
Details
  • CVE-2026-33999: fix buffer re-use in xkb _XkbSetCompatMap that miscounted valid entries and could cause buffer overflow on subsequent SetCompatMap requests (bundled xorg-server)
  • CVE-2026-34001: fix use-after-free in miext/sync miSyncTriggerFence by retaining a ref on the SyncFence across the trigger callback (bundled xorg-server)
  • CVE-2026-34003: add bound checking in xkb CheckKeyTypes() to prevent reading past the request data on a crafted SetMap request (bundled xorg-server)
References

Affected packages

TuxCare:AlmaLinux:9.6
tigervnc

Package

Name
tigervnc
Purl
pkg:rpm/tuxcare/tigervnc?distro=almalinux-9.6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.14.1-9.el9_6.tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778003374.json"
tigervnc-icons

Package

Name
tigervnc-icons
Purl
pkg:rpm/tuxcare/tigervnc-icons?distro=almalinux-9.6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.14.1-9.el9_6.tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778003374.json"
tigervnc-license

Package

Name
tigervnc-license
Purl
pkg:rpm/tuxcare/tigervnc-license?distro=almalinux-9.6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.14.1-9.el9_6.tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778003374.json"
tigervnc-selinux

Package

Name
tigervnc-selinux
Purl
pkg:rpm/tuxcare/tigervnc-selinux?distro=almalinux-9.6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.14.1-9.el9_6.tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778003374.json"
tigervnc-server

Package

Name
tigervnc-server
Purl
pkg:rpm/tuxcare/tigervnc-server?distro=almalinux-9.6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.14.1-9.el9_6.tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778003374.json"
tigervnc-server-minimal

Package

Name
tigervnc-server-minimal
Purl
pkg:rpm/tuxcare/tigervnc-server-minimal?distro=almalinux-9.6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.14.1-9.el9_6.tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778003374.json"
tigervnc-server-module

Package

Name
tigervnc-server-module
Purl
pkg:rpm/tuxcare/tigervnc-server-module?distro=almalinux-9.6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.14.1-9.el9_6.tuxcare.els2

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778003374.json"