CVE-2026-108978

Status: DeferredMedium (5.5)—

Severity5.5Medium · CVSS 3.1

Exploitation probability0.15 %higher than 4% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

Heap-based buffer overflow vulnerability in Samsung Opensource rlottie allows Buffer Overflow via Environment Variables.

This issue affects rlottie: e57b094f03c39a751a1fded6f7d6c13f1ed95ec9.

CVSS

Base score: 5.5
Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.15 %
Percentile among all scored CVEs: 4
Score date: 10/21/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1203 Exploitation for Client Executionexecution85 %
Secondary impactT1499.004 Application or System Exploitationimpact60 %

Buffer overflow en biblioteca de animación (rlottie) con UI:R (interacción usuario) y CWE-122 (heap overflow). Explotación mediante fichero preparado → T1203. Impactos: ejecución código (heap overflow típicamente) y potencial DoS por corrupción de memoria.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Filter Network Traffic Application Isolation and Sandboxing Exploit Protection Update Software

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Samsung — Rlottie^AI

CWEs

CWE-122

References

Show 1 references

https://github.com/Samsung/rlottie/pull/609/

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-108978",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-108978",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-16T15:53:40.941227Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "PSIRT@samsung.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "PSIRT@samsung.com",
      "affectedData": [
        {
          "vendor": "Samsung Opensource",
          "product": "rlottie",
          "versions": [
            {
              "status": "affected",
              "version": "e57b094f03c39a751a1fded6f7d6c13f1ed95ec9"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-11T22:16:50.787",
  "references": [
    {
      "url": "https://github.com/Samsung/rlottie/pull/609/",
      "source": "PSIRT@samsung.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "PSIRT@samsung.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Heap-based buffer overflow vulnerability in Samsung Opensource rlottie allows Buffer Overflow via Environment Variables.\n\nThis issue affects rlottie: e57b094f03c39a751a1fded6f7d6c13f1ed95ec9."
    }
  ],
  "lastModified": "2026-10-16T19:56:15.773",
  "sourceIdentifier": "PSIRT@samsung.com"
}