What is CVE-2016-6236?

CVE-2016-6236 is a medium-severity vulnerability in Lepton Project, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2017-02-02.

How severe is CVE-2016-6236?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Out-of-bounds Read in Lepton Project

CVE-2016-6236

The setup_imginfo_jpg function in lepton/jpgcoder.cc in Dropbox lepton 1.0 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted jpeg file.

Vulnerability class: Buffer Overflow

Published 2017-02-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Lepton Project — versions 1.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

github.com/dropbox/lepton/issues/26 (Patch, Third Party Advisory, Issue Tracking)
www.openwall.com/lists/oss-security/2016/07/17/6 (mailing-list, Patch, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2016-6236?: CVE-2016-6236 is a medium-severity vulnerability in Lepton Project, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2017-02-02.
How severe is CVE-2016-6236?: Medium severity. CVSS v3 base score is 5.5 out of 10.