What’s Vulnerable › Vulnerabilities

CVE-2018-20820

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-04-23 · updated 2026-06-17
• Weakness: CWE-190

Description

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.

Affected products

• dropbox Lepton: 1.2.1

References

• https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761
• https://github.com/dropbox/lepton/issues/111
• https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761
• https://github.com/dropbox/lepton/issues/111

Get alerted when CVE-2018-20820 or the next vulnerability affects your stack