Heap-based buffer overflow in the opj_j2k_read_SQcd_SQcc function in j2k.c in OpenJPEG, as used in PDFium in Google Chrome before 52.0.2743.116, allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted JPEG 2000 data.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.8% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)