Process abort via unsafe serialized input
Published Apr 13, 2026 · Updated Apr 13, 2026
Deserialization of untrusted data in Samsung Escargot allows local users to abort an embedding process through the public Serializer API. Serializer::deserializeFrom accepts invalid type bytes that reach an assertion and forged SharedArrayBuffer pointers that are immediately dereferenced. An attacker must supply serialized bytes to a local application exposing this API; the demonstrated consequence is a process crash.
Summary
What happened
Deserialization of untrusted data in Samsung Escargot allows local users to abort an embedding process through the public Serializer API. Serializer::deserializeFrom accepts invalid type bytes that reach an assertion and forged SharedArrayBuffer pointers that are immediately dereferenced. An attacker must supply serialized bytes to a local application exposing this API; the demonstrated consequence is a process crash.
The record
- CVE
- CVE-2026-25204
- Published
- Apr 13, 2026
- Updated
- Apr 13, 2026
- Vendor
- Samsung Electronics Co., Ltd.
- Product
- Escargot
- Classifications
- CWE-843, CWE-502, CAPEC-586, T1499.004
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Apr 13, 2026CVE publishedPublication date reported by the CVE source.
- Apr 13, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=97e8115ab1110bc502b4b5e4a0c689a71520d335
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
- Escargot Serializer native reproduction harnessproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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