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CVE-2026-91826: CWE-121 Stack-based buffer overflow in Samsung Opensource rLottie

0
Medium
VulnerabilityCVE-2026-91826cvecve-2026-91826cwe-121
Published: 09/15/2026 (09/15/2026, 08:49:48 UTC)
Source: CVE Database V5
Vendor/Project: Samsung Opensource
Product: rLottie

Description

CVE-2026-91826 is a stack-based buffer overflow vulnerability in Samsung Opensource rLottie, a library for rendering vector animations. The flaw allows attackers to cause memory corruption by overflowing buffers when processing specially crafted vector animations. This vulnerability has a medium severity rating with a CVSS score of 4.4. No affected versions or patch information are explicitly provided.

CVSS v3.1

Score 4.4medium

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Affected software

Samsung Opensource

rLottie

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/15/2026, 09:16:41 UTC

Technical Analysis

This vulnerability is a stack-based buffer overflow (CWE-121) in the rLottie library maintained by Samsung Opensource. It occurs during the rendering of crafted vector animations, enabling an attacker to overflow buffers and cause memory corruption. The CVSS 3.1 base score is 4.4, reflecting a local attack vector with low complexity, no privileges required, but requiring user interaction. The impact includes integrity and availability loss but no confidentiality impact. The affected commit or version is identified by the hash 480a2ad0c5d2e45458c545b8213279e9e8b71e39, but no explicit version range or patch is stated.

Potential Impact

Successful exploitation can lead to memory corruption, potentially causing denial of service or integrity issues in applications using the vulnerable rLottie library. Confidentiality is not impacted. The attack requires local access and user interaction.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided. Until a patch is available, avoid processing untrusted vector animations with the affected rLottie version.

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Technical Details

Data Version
5.2
Assigner Short Name
samsung.tv_appliance
Date Reserved
2026-09-15T08:06:41.928Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6aa9098d55bf5e2cf58f90f6

Added to database: 09/15/2026, 09:02:05 UTC

Last enriched: 09/15/2026, 09:16:41 UTC

Last updated: 09/15/2026, 09:21:24 UTC

Views: 7

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