CVE-2026-35366
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
34/100
Published: 2026-04-22
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
Low Complexity
No Interaction
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
Low
I:
Low
A:
None
Description
The printenv utility in uutils coreutils fails to display environment variables containing invalid UTF-8 byte sequences. While POSIX permits arbitrary bytes in environment strings, the uutils implementation silently skips these entries rather than printing the raw bytes. This vulnerability allows malicious environment variables (e.g., adversarial LD_PRELOAD values) to evade inspection by administrators or security auditing tools, potentially allowing library injection or other environment-based attacks to go undetected.
Weakness Classification (1)
References & Advisories (3)
Release Notes
Issue Tracking
Patch
Exploit
Issue Tracking