CVE-2026-111269: libical 0 through 4.0.6

Affected technology

libical · 0 through 4.0.6
libical

Description’s affected range: through 4.0.6

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 escaped iCalendar text with a trailing backslash, causing the loop to read past the terminator and crash the application or leak adjacent heap memory. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as low; integrity impact as none; availability impact as high.