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CVE-2026-111105— Telegram rlottie Numeric Truncation Remote Code Execution Vulnerability

Quick assessment

Affected
Telegram Telegram
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Telegram rlottie 数值截断远程代码执行漏洞。该漏洞允许远程攻击者在受影响的 Telegram 安装实例上执行任意代码。利用此漏洞需要用户交互，即目标用户必须访问恶意网页或打开恶意文件。 该特定缺陷存在于 rlottie 库中。问题源于对用户提供的数据缺乏适当的验证，可能导致写入到已分配缓冲区起始位置之前（即越界写入）。攻击者可利用此漏洞在当前进程上下文中执行代码。此漏洞编号为 ZDI-CAN-30207。

AI Predicted 7.8 Difficulty: Moderate

Affected Version Matrix 1

VendorProduct Version RangeStatus
Telegram Telegram 6.6.2 affected
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I. Basic Information for CVE-2026-111105

Vulnerability Information
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Vulnerability Title
Telegram rlottie Numeric Truncation Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
数值截断错误
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Telegram Telegram 6.6.2 -

II. Public POCs for CVE-2026-111105

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III. Intelligence Information for CVE-2026-111105

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Other References for CVE-2026-111105 (1)

IV. Related Vulnerabilities

Same product: Telegram
Same vendor: Telegram
Same weakness: CWE-197

V. Comments for CVE-2026-111105

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