CVE-2026-111273: unarr 0 through 1.1.1

Affected technology

unarr · 0 through 1.1.1
selmf

Description’s affected range: through 1.1.1

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Passive user interaction

What an attacker can do

Attackers can supply a crafted TAR archive with a full ustar prefix and name to write a NUL byte past the allocation, corrupting heap memory and crashing the process. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as none; integrity impact as low; availability impact as high.