Is CVE-2018-17231 actively exploited?

No active exploitation of CVE-2018-17231 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-17231 be exploited remotely?

Yes. CVE-2018-17231 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-17231?

CVE-2018-17231 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2018-17231

CWE-617Published: September 19, 2018· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

Telegram Desktop (aka tdesktop) 1.3.14 might allow attackers to cause a denial of service (assertion failure and application exit) via an "Edit color palette" search that triggers an "index out of range" condition. NOTE: this issue is disputed by multiple third parties because the described attack scenario does not cross a privilege boundary

NVD Source

Technical Analysis

CVE-2018-17231 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.