pi.c in OpenJPEG, as used in PDFium in Google Chrome before 48.0.2564.109, does not validate a certain precision value, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via a crafted JPEG 2000 image in a PDF document, related to the opj_pi_next_rpcl, opj_pi_next_pcrl, and opj_pi_next_cprl functions.
Severity
CVSS 3.0
6.3 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
EPSS
1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)