CVE-2026-86315

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    CVE-2026-86315

    Published: 7 Sept 2026Last Modified: 8 Oct 2026

    Summary:

    Details: An out-of-bounds write caused by numeric truncation Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX. This issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86315.json, https://nvd.nist.gov/vuln/detail/CVE-2026-86315, https://github.com/Samsung/escargot/pull/1660

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 5dc93606abd42b859045add05d704a038e197359
    Fixed -None

    Affected versions

    5dc93606abd42b859045add05d704a038e197359

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-86315 | CVE-DB