TI-2017-05099 Aliases CVE-2017-7448 GHSA-96r9-34x2-995x

The allocate_channel_framebuffer function in uncompressed_components.hh in Dropbox Lepton…

LOW 27CWE-369Published 2017-04-05 · Updated 2024-08-05

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-369.

Summary

The allocate_channel_framebuffer function in uncompressed_components.hh in Dropbox Lepton 1.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a malformed JPEG image.

Why it matters now

EPSS 0.01204 68th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:dropbox:lepton:1.2.1:::::::*	1.2.1	Vulnerable	dropbox

cpe:2.3:a:dropbox:lepton:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·dropbox

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2017-7448
2026-10-03 Alias added: GHSA-96r9-34x2-995x

References

Exploit 1

https://github.com/dropbox/lepton/issues/86

Patch 1

https://github.com/dropbox/lepton/commit/7789d99ac156adfd7bbf66e7824bd3e948a74cf7

TI-2022-09619 Dropbox Lepton v1.2.1-185-g2a08b77 was discovered to contain a heap-buffer-overflow in… CVSS 3.1HIGH 7.8
TI-2018-14790 io/ZlibCompression.cc in the decompression component in Dropbox Lepton 1.2.1 allows… CVSS 3.0HIGH 7.8
TI-2018-14791 read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a… CVSS 3.0MEDIUM 5.5
TI-2018-08684 An issue was discovered in Dropbox Lepton 1.2.1. CVSS 3.0MEDIUM 5.5
TI-2017-06388 Dropbox Lepton 1.2.1 allows DoS (SEGV and application crash) via a malformed lepton file… CVSS 3.0MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences