High severity7.8OSV Advisory· Published Apr 23, 2019· Updated Jun 17, 2026
CVE-2018-20819
CVE-2018-20819
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.
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Affected products
31.0, 1.1, 1.2, …+ 2 more
- (no CPE)range: 1.0, 1.1, 1.2, …
- cpe:2.3:a:dropbox:lepton:1.2.1:*:*:*:*:*:*:*
- (no CPE)range: = 1.2.1
Patches
Vulnerability mechanics
References
1- github.com/dropbox/lepton/issues/112nvdExploitIssue TrackingPatchThird Party Advisory
News mentions
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