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CVE-2026-18772

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 rlottie是韩国SAMSUNG公司开源的一个渲染矢量动画的图形库。 SAMSUNG rlottie存在输入验证错误漏洞，该漏洞源于输入验证不当，允许过大的序列化数据有效载荷，可能导致拒绝服务。

CVSS 6.5 · Medium EPSS 0.36% · P27

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Samsung Open Source rlottie f487eff2f8086b84ae1c7faa0418abec909e874b unaffected
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I. Basic Information for CVE-2026-18772

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1325
Source: CVE Program / CVE List V5
Vulnerability Title
SAMSUNG rlottie 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAMSUNG rlottie是韩国SAMSUNG公司开源的一个渲染矢量动画的图形库。 SAMSUNG rlottie存在输入验证错误漏洞，该漏洞源于输入验证不当，允许过大的序列化数据有效载荷，可能导致拒绝服务。
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-2026-18772

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-18772

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Patches & Fixes for CVE-2026-18772 (1)

IV. Related Vulnerabilities

Same product: rlottie
Same vendor: Samsung Open Source
Same weakness: CWE-1325

V. Comments for CVE-2026-18772

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