Buffer overflow in Google Chrome

CVE-2016-1626

The opj_pi_update_decode_poc function in pi.c in OpenJPEG, as used in PDFium in Google Chrome before 48.0.2564.109, miscalculates a certain layer index value, which allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PDF document.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (68.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-1626?
CVE-2016-1626 is a medium-severity vulnerability in Google Chrome, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.3/10. Published 2016-02-14.
How severe is CVE-2016-1626?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2016-1626 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.