CVE-2026-111274: 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 ZIP archive with 0xFFFFFFFF sentinel values and a truncated ZIP64 record to read past the heap buffer and crash the process. Vendor/CNA’s CVSS 4.0 assessment (base score 6.8/10) rates confidentiality and integrity impact as none; availability impact as high.