Description (CNA)
A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink entries. If the tar archive is extracted with elevated privileges, this flaw can lead to privilege escalation, enabling an attacker to gain unauthorized access to critical system files.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Red Hat / Red Hat Hardened Images | unaffected 1.37.0-7.2.hum1 before * |
| Red Hat / Red Hat Enterprise Linux 6 | unknown |
CWE
CWE-73
References
- https://access.redhat.com/errata/RHSA-2026:13831
- https://access.redhat.com/security/cve/CVE-2026-26158
- https://bugzilla.redhat.com/show_bug.cgi?id=2439040
- https://git.busybox.net/busybox/commit/archival?id=3fb6b31c716669e12f75a2accd31bb7685b1a1cb
ADP enrichment
No English description supplied.
No references supplied.
No English description supplied.
A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink entries. If the tar archive is extracted with elevated privileges, this flaw can lead to privilege escalation, enabling an attacker to gain unauthorized access to critical system files.