CVE-2018-20819

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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 file. The root cause is a missing check of header payloads that may be (incorrectly) larger than the maximum file size.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 23, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

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CVE-2018-20819: High severity, CVSS 7.8 | Vulnix