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6.8

Chrome before 47 can crash from malicious JPEG 2000

CVE-2015-6776 · published 10 years ago
Summary

Google Chrome versions prior to 47.0.2526.73 use a library that misprocesses specially crafted JPEG 2000 images, which can cause the browser to stop responding. This happens because the code reads beyond the end of an internal list, leading to a crash. Updating Chrome to version 47.0.2526.73 or later fixes the problem.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
google chrome <= 46.0.2490.86
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Original advisory text
The opj_dwt_decode_1* functions in dwt.c in OpenJPEG, as used in PDFium in Google Chrome before 47.0.2526.73, allow remote attackers to cause a denial of service (out-of-bounds array access) or pos...
The opj_dwt_decode_1* functions in dwt.c in OpenJPEG, as used in PDFium in Google Chrome before 47.0.2526.73, allow remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted JPEG 2000 data that is mishandled during a discrete wavelet transform.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.8 Medium
Exploitation
1% chance of attack within 30 days
Type
CWE-119Buffer Overflow
Timeline
Published6 Dec 2015
Updated31 Oct 2026
First seen29 Sep 2026
Sources
CVE-2015-6776 · NVD
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