CVE-2015-6776

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-12-06 · updated 2026-06-17
Weakness: CWE-119

Description

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.

Affected products

Google Chrome: through 46.0.2490.86

References

http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
http://www.debian.org/security/2015/dsa-3415
http://www.securityfocus.com/bid/78416
http://www.securitytracker.com/id/1034298
https://code.google.com/p/chromium/issues/detail?id=457480
https://codereview.chromium.org/1416783002
https://codereview.chromium.org/1416783002/diff/20001/third_party/libopenjpeg20/0003-dwt-decode.patch
https://codereview.chromium.org/1416783002/diff/20001/third_party/libopenjpeg20/README.pdfium
https://security.gentoo.org/glsa/201603-09
http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html

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