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TI-2019-05964 Aliases CVE-2019-8308GHSA-26wh-22xw-qfqx

Flatpak before 1.0.7, and 1.1.x and 1.2.x before 1.2.3, exposes /proc in the apply_extra…

Priority LOW 36CWE-668Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

Flatpak before 1.0.7, and 1.1.x and 1.2.x before 1.2.3, exposes /proc in the apply_extra script sandbox, which allows attackers to modify a host-side executable file.

Why it matters now

EPSS 0.00466 40th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:flatpak:flatpak:*:*:*:*:*:*:*:*before 1.0.7; 1.1.0 – 1.1.3; 1.2.0 – 1.2.3Vulnerableflatpak
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:flatpak:flatpak:*:*:*:*:*:*:*:* Versions before 1.0.7; 1.1.0 – 1.1.3; 1.2.0 – 1.2.3 Vulnerable ·flatpak
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 1 advisory

  • RHSA-2019:0375 Released 2019-02-19 · Red Hat rating Important
    flatpak security update
    • Red Hat Enterprise Linux Client (v. 7) flatpak-1.0.2-4.el7_6, flatpak-libs-1.0.2-4.el7_6
    • Red Hat Enterprise Linux Client Optional (v. 7) flatpak-builder-1.0.0-4.el7_6, flatpak-devel-1.0.2-4.el7_6
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) flatpak-1.0.2-4.el7_6, flatpak-builder-1.0.0-4.el7_6, flatpak-devel-1.0.2-4.el7_6 +1
    • Red Hat Enterprise Linux Server (v. 7) flatpak-1.0.2-4.el7_6, flatpak-libs-1.0.2-4.el7_6
    • Red Hat Enterprise Linux Server Optional (v. 7) flatpak-builder-1.0.0-4.el7_6, flatpak-devel-1.0.2-4.el7_6
    • Red Hat Enterprise Linux Workstation (v. 7) flatpak-1.0.2-4.el7_6, flatpak-libs-1.0.2-4.el7_6
    • Red Hat Enterprise Linux Workstation Optional (v. 7) flatpak-builder-1.0.0-4.el7_6, flatpak-devel-1.0.2-4.el7_6
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) flatpak-1.0.2-4.el7_6, flatpak-libs-1.0.2-4.el7_6
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) flatpak-builder-1.0.0-4.el7_6, flatpak-devel-1.0.2-4.el7_6

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:0375
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:0375
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:0375
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:0375
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:0375
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:0375
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:0375
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2019:0375
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2019:0375
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8308
  2. 2026-10-03 Alias added: GHSA-26wh-22xw-qfqx

References

Advisory 5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences