EUVD-2026-70848
GHSA-4h83-hmwj-4663
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Local file-parsing flaw requiring user-triggered render; partial read (C:L) and crash (A:L) only; no integrity impact, no privilege required.
Primary rating from Vendor (samsung.tv_appliance).
CVSS VectorVendor: samsung.tv_appliance
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read vulnerability in Samsung Opensource Escargot allows Overread Buffers.
This issue affects Escargot: 25648aef19187b3f87f4d9420b8d761453ad4630.
AnalysisAI
Out-of-bounds read in Samsung's rlottie animation library (not Escargot as the CVE metadata incorrectly states) exposes consumers of the library - including Samsung TV appliances - to information disclosure and potential parser crashes when processing specially crafted JPEG images. The root cause is the absence of fractional-ratio validation in stb_image.h's JPEG frame header processor: when h_max is not evenly divisible by a color component's sampling factor, the resampler accesses memory beyond the intended buffer boundary. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target application uses Samsung rlottie to render Lottie animations that embed or reference JPEG images. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L scores 4.4 (Medium) and is consistent with a file-parsing vulnerability: exploitation requires local delivery of a malicious JPEG (or Lottie animation referencing one) and user interaction to trigger rendering. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the upstream fix from Samsung/rlottie PR #604 (https://github.com/Samsung/rlottie/pull/604), which adds fractional-ratio rejection in stbi__process_frame_header(): components whose sampling factors do not evenly divide h_max or v_max are now rejected as corrupt JPEG. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
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External POC / Exploit Code
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