What is CVE-2018-20819?

CVE-2018-20819 is a high-severity vulnerability in Dropbox Lepton, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-04-23.

How severe is CVE-2018-20819?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Dropbox Lepton

CVE-2018-20819

io/ZlibCompression.cc in the decompression component in Dropbox Lepton 1.2.1 allows attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact by crafting a jpg image…

Vulnerability class: Buffer Overflow

EPSS: 0.010 (57.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

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

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2018-20819?: CVE-2018-20819 is a high-severity vulnerability in Dropbox Lepton, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-04-23.
How severe is CVE-2018-20819?: High severity. CVSS v3 base score is 7.8 out of 10.