CVE-2018-12108

FAUCET Score

CVE-2018-12108 describes a denial-of-service vulnerability in Dropbox Lepton version 1.2.1. A remote attacker can exploit a flaw in the validateAndCompress function by providing a malformed file, leading to an application crash (SIGFPE). This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction, and resulting in high availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		1.2.1CPE matchmatch criteria	cpe:2.3:a:dropbox:lepton:1.2.1:::::::*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

3.6

CvssVersion

3.0

Exploit Intelligence

EPSS Score

1.15%

Probability of exploitation in next 30 days

EPSS Percentile

63.6%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0115 is in the 74th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference

View patch

References

github.com / dropbox/lepton/issues/107

ExploitPatchThird Party Advisory