CVE-2018-20819 describes a heap-based buffer overflow vulnerability in Dropbox Lepton 1.2.1, specifically within the decompression component's io/ZlibCompression.cc. This flaw allows attackers to trigger a denial of service and potentially other impacts by crafting a malicious JPG image file, stemming from a missing check for oversized header payloads. The vulnerability carries a high CVSS score of 7.8, indicating a local attack vector with low complexity, requiring user interaction, and leading to high impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.2.1CPE matchmatch criteria | cpe:2.3:a:dropbox:lepton:1.2.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.