CVE-2018-6462

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-01-31 · updated 2026-06-17
Weakness: CWE-787

Description

Tracker PDF-XChange Viewer and Viewer AX SDK before 2.5.322.8 mishandle conversion from YCC to RGB colour spaces by calculating on the basis of 1 bpc instead of 8 bpc, which might allow remote attackers to execute arbitrary code via a crafted PDF document.

Affected products

Tracker-Software Pdf-Xchange Viewer: before 2.5.322.8 — fixed in 2.5.322.8
Tracker-Software Viewer Ax Sdk: before 2.5.322.8 — fixed in 2.5.322.8

How to fix

Upgrade to a fixed version: Tracker-Software Pdf-Xchange Viewer 2.5.322.8; Tracker-Software Viewer Ax Sdk 2.5.322.8. Check the vendor advisory for mitigations.

References

https://herolab.usd.de/wp-content/uploads/sites/4/2018/07/usd20180019.txt
https://www.tracker-software.com/company/news_press_events/view/179
https://herolab.usd.de/wp-content/uploads/sites/4/2018/07/usd20180019.txt
https://www.tracker-software.com/company/news_press_events/view/179

Get alerted when CVE-2018-6462 or the next vulnerability affects your stack