PatchSiren cyber security CVE debrief

CVE-2026-18772 Samsung Open Source CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-04T10:19:32.923Z and has not been modified since then. The vulnerability, CVE-2026-18772, is an improperly controlled sequential memory allocation issue in Samsung Open Source rlottie, potentially leading to exponential data expansion. Organizations should review the CVE record, verify affected systems, and plan for vendor-supported updates or mitigations. Security teams should prioritize this vulnerability based on its CVSS score and potential operational impact. Limited information is available on affected products and versions, making it essential to monitor for potential issues and review vendor guidance.

Vendor: Samsung Open Source
Product: rlottie
CVSS: MEDIUM 6.5
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-08-04
Original CVE updated: 2026-08-11
Advisory published: 2026-08-04
Advisory updated: 2026-08-11

Who should care

Organizations using Samsung Open Source rlottie, especially those handling sensitive data or concerned with data integrity and availability, should be aware of this vulnerability and prepare for potential impacts. They should review the CVE record, verify affected systems, and plan for vendor-supported updates or mitigations. Security teams and operators should prioritize this vulnerability based on its CVSS score and potential operational impact.

Technical summary

The CVE-2026-18772 vulnerability is an improperly controlled sequential memory allocation issue in Samsung Open Source rlottie, which could lead to exponential data expansion. The CVSS score is 6.5, with AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The vulnerability affects Samsung Open Source rlottie, and its impact is primarily on data integrity and availability. Limited information is available on affected products and versions, making it essential to review vendor guidance and monitor for potential issues.

Defensive priority

Medium priority given the CVSS score of 6.5 and potential for data expansion.

Recommended defensive actions

Inventory and verify affected systems and versions
Apply vendor patches or updates when available
Monitor for potential data expansion issues
Consider compensating controls for data validation and sanitization
Review security advisories for additional guidance

Evidence notes

The evidence from NVD and CVE.org suggests an improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie, potentially leading to exponential data expansion. Limited details are available on affected products and versions. Defenders should verify the scope of affected systems, review vendor guidance, and monitor for potential data expansion issues. The CVE record was published on 2026-08-04T10:19:32.923Z and has not been modified since then. Additional verification is required to understand the full impact and to identify any exposed systems.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-04T10:19:32.923Z and has not been modified since then.