CVE-2026-111105

Telegram rlottie Numeric Truncation Remote Code Execution Vulnerability

Published Oct 15, 2026 CVSS 3.0 · 7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Telegram
Telegram telegram
Vendors & Products Telegram
Telegram telegram
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Oct 16, 2026, 3:57 AM
Reserved
Oct 15, 2026, 3:49 PM
Status
Awaiting Analysis
Published
Oct 15, 2026, 6:17 PM
Modified
Oct 16, 2026, 6:14 PM