What is CVE-2018-20820?

CVE-2018-20820 is a medium-severity vulnerability in Dropbox Lepton, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2019-04-23.

How severe is CVE-2018-20820?

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

Integer overflow in Dropbox Lepton

CVE-2018-20820

read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime crash because of an integer overflow) via a crafted file.

Vulnerability class: Integer Overflow

EPSS: 0.010 (56.8th percentile) — read the EPSS interpretation.

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.

Affected products

Dropbox Lepton — versions 1.2.1
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20820?: CVE-2018-20820 is a medium-severity vulnerability in Dropbox Lepton, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2019-04-23.
How severe is CVE-2018-20820?: Medium severity. CVSS v3 base score is 5.5 out of 10.