Telegram rlottie Numeric Truncation Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Telegram. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the rlottie library. The issue results from the lack of proper validation of user-supplied data, which can result in a write before the start of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-30207.
History

Fri, 23 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Telegram
Telegram telegram
Vendors & Products Telegram
Telegram telegram

Thu, 15 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 15 Oct 2026 18:00:00 +0000

Type Values Removed Values Added
Description Telegram rlottie Numeric Truncation Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Telegram. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the rlottie library. The issue results from the lack of proper validation of user-supplied data, which can result in a write before the start of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-30207.
Title Telegram rlottie Numeric Truncation Remote Code Execution Vulnerability
Weaknesses CWE-197
References
Metrics cvssV3_0

{'score': 7, 'vector': 'CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published: 2026-10-15T17:42:55.996Z

Updated: 2026-10-16T03:57:07.814Z

Reserved: 2026-10-15T15:49:38.031Z

Link: CVE-2026-111105

cve-icon Vulnrichment

Updated: 2026-10-15T19:11:35.387Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-15T18:17:26.670

Modified: 2026-10-16T18:14:51.460

Link: CVE-2026-111105

cve-icon Redhat

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