RLSA-2026:21757

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Source
https://errata.rockylinux.org/RLSA-2026:21757
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:21757.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:21757
Upstream
  • CVE-2026-34078
  • CVE-2026-34079
Published
2026-06-04T12:04:37.164871Z
Modified
2026-06-04T12:30:17.548956618Z
Severity
  • 9.0 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H CVSS Calculator
Summary
Important: flatpak security update
Details

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.

Security Fix(es):

  • flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options (CVE-2026-34078)

  • flatpak: Flatpak: Arbitrary file deletion on host via improper cache file path validation (CVE-2026-34079)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:10 / flatpak

Package

Name
flatpak
Purl
pkg:rpm/rocky-linux/flatpak?distro=rocky-linux-10&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:1.16.0-9.el10_2.1
Database specific 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:21757.json"