PatchSiren cyber security CVE debrief

CVE-2026-47320 Samsung Open Source CVE debrief

CVE-2026-47320 is a vulnerability in Samsung Open Source rlottie, affecting versions before eae37633fda13ac05b25c6c95aacea4bc33c80a3. This issue involves an access of uninitialized pointer and uncontrolled recursion, potentially leading to pointer manipulation and oversized serialized data payloads. The vulnerability has a CVSS score of 6.1 and is classified as MEDIUM severity.

Vendor: Samsung Open Source
Product: rlottie
CVSS: MEDIUM 6.1
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-04
Original CVE updated: 2026-06-04
Advisory published: 2026-06-04
Advisory updated: 2026-06-04

Who should care

Developers and users of Samsung Open Source rlottie, especially those using versions before eae37633fda13ac05b25c6c95aacea4bc33c80a3, should be aware of this vulnerability and take necessary actions to update to a patched version.

Technical summary

The vulnerability is caused by an access of uninitialized pointer and uncontrolled recursion in rlottie. This could allow an attacker to manipulate pointers and send oversized serialized data payloads. The CVSS vector for this vulnerability is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H.

Defensive priority

MEDIUM

Recommended defensive actions

Update rlottie to version eae37633fda13ac05b25c6c95aacea4bc33c80a3 or later.
Review and monitor the usage of rlottie in your applications to ensure it is properly validated and sanitized.

Evidence notes

The CVE was published on 2026-06-04T10:16:39.323Z and modified on 2026-06-04T15:27:23.470Z. The vulnerability was reported by [email protected].

Official resources

CVE-2026-47320 was published on 2026-06-04T10:16:39.323Z.