CVE-2019-10044

Name: CVE-2019-10044
Creator: NVD / NIST
Published: 2019-03-25T20:29:00.863+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.28%

Last modified Jun 17, 2026

CVE-2019-10044 is a vulnerability of currently unknown severity. Telegram Desktop before 1.5.12 on Windows, and the Telegram applications for Android, iOS, and Linux, is vulnerable to an IDN homograph attack when displaying messages containing URLs. This occurs because the application produces a clickable link even if (for example) Latin and Cyrillic characters exist in the same domain name, and the available font has an identical representation of characters from different alphabets.. EPSS estimates a 3.28% chance of exploitation in the next 30 days.

Description

Telegram Desktop before 1.5.12 on Windows, and the Telegram applications for Android, iOS, and Linux, is vulnerable to an IDN homograph attack when displaying messages containing URLs. This occurs because the application produces a clickable link even if (for example) Latin and Cyrillic characters exist in the same domain name, and the available font has an identical representation of characters from different alphabets.

Metrics

EPSS Probability

3.28%

86.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Telegram	Telegram	All versions
Telegram	Telegram Desktop	< 1.5.12

References

http://www.securityfocus.com/bid/107610Third Party Advisory, VDB Entry
https://github.com/blazeinfosec/advisories/blob/master/telegram-advisory.txtExploit, Third Party Advisory
http://www.securityfocus.com/bid/107610Third Party Advisory, VDB Entry
https://github.com/blazeinfosec/advisories/blob/master/telegram-advisory.txtExploit, Third Party Advisory

Timeline

Published: Mar 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-10044?

How severe is CVE-2019-10044?

Severity scoring for CVE-2019-10044 is pending analysis. The EPSS model estimates a 3.28% probability of exploitation in the next 30 days.

How do I fix CVE-2019-10044?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-10044?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST