CVE-2026-86469

Discovered by AISLEPUBLISHEDCWE-59

Description

A flaw was found in GLib2. When g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION and creating the .goutputstream-XXXXXX temporary file fails, the library unlinks the destination and recreates it without exclusive creation or symlink protection. A local attacker who can write to the destination directory can win that race and redirect the write to another file.

CVSS Base Scores

CVSS v3.1(Primary)
5.3

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L

Affected Products

VendorProductVersionStatus
Red HatRed Hat Enterprise Linux 10——
Red HatRed Hat Enterprise Linux 6——
Red HatRed Hat Enterprise Linux 7——
Red HatRed Hat Enterprise Linux 8——
Red HatRed Hat Enterprise Linux 9——
Red HatRed Hat Hardened Images——
Red HatRed Hat OpenShift Container Platform 4——

Credits

  • Red Hat would like to thank Aisle Research for reporting this issue.

References