CFNetwork in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 misparses the Set-Cookie header, which allows remote attackers to obtain sensitive information via a crafted HTTP response.
Severity
CVSS 3.0
6.5 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
3.9% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)