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CVE-2026-15551— Samsung rlottie: Numeric truncation in gray_hline() leads to heap-based buffer overflow when rendering a crafted Lottie animation at native canvas size

Quick assessment

Affected
Samsung Open Source rlottie
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.

Samsung Open Source rlottie是Samsung Open Source开源的轻量级图形渲染库。 Samsung Open Source rlottie存在数字错误漏洞，该漏洞源于整数溢出或环绕错误，可能导致缓冲区溢出。

CVSS 5.5 · Medium EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
Samsung Open Source rlottie bf689b72b8482c5ea674235854bd11b6d1b42588 unaffected
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I. Basic Information for CVE-2026-15551

Vulnerability Information
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Vulnerability Title
Samsung rlottie: Numeric truncation in gray_hline() leads to heap-based buffer overflow when rendering a crafted Lottie animation at native canvas size
Source: CVE Program / CVE List V5
Vulnerability Description
Integer overflow or wraparound vulnerability in Samsung Open Source rlottie allows Overflow Buffers. This issue affects .
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Samsung Open Source rlottie 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samsung Open Source rlottie是Samsung Open Source开源的轻量级图形渲染库。 Samsung Open Source rlottie存在数字错误漏洞，该漏洞源于整数溢出或环绕错误，可能导致缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Samsung Open Source rlottie - -

II. Public POCs for CVE-2026-15551

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-15551

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Patches & Fixes for CVE-2026-15551 (1)

IV. Related Vulnerabilities

Same product: rlottie
Same vendor: Samsung Open Source
Same weakness: CWE-190

V. Comments for CVE-2026-15551

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