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    4 vulnerabilities found for lib0 by dmonad

    CVE-2026-102521 (GCVE-0-2026-102521)

    Vulnerability from nvd – Published: 2026-09-29 13:14 – Updated: 2026-09-30 20:11
    VLAI
    Title
    lib0 `readFromDataView` out-of-bounds read
    Summary
    The decoder in `readFromDataView` in lib0 before 0.2.119 can be tricked into reading more than it should from a buffer. The vulnerability allows reading past the decoders' view, thus exposing adjacent process memory. This can be anything that is currently in the head, for example credentials or logs. This is similar to but different from GHSA-r5c8-rf4w-qrq8.
    Severity
    8.6 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 19:49 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    dmonad lib0 Affected: <= 0.2.118
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-102360 (GCVE-0-2026-102360)

    Vulnerability from nvd – Published: 2026-09-29 13:11 – Updated: 2026-09-29 13:55
    VLAI
    Title
    lib0 `readUint8Array` performs an unbounded read past the end of the decoder’s view, disclosing adjacent process memory
    Summary
    A missing bounds check in the binary decoder in lib0, versions 0.2.1-0.2.117 and earlier and 1.0.0-rc.32 and earlier, lets any unauthenticated remote peer read adjacent process memory and receive it back. `readUint8Array` never compares the wire-supplied length against the decoder's own view, so one over-long length prefix returns whatever the host process allocated next: other tenants' document content, personal data, and live bearer session tokens**, recovered in full and at will. An attacker who can supply bytes to a lib0 decoder which means any peer that can open a socket, including before authentication reads adjacent process memory and, where the consumer echoes, stores or re-serves the decoded value, receives it back. This is patched in version 0.2.118 and 1.0.0-rc.33.
    Severity
    8.6 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-29 13:54 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    dmonad lib0 Affected: <= 0.2.1-0.2.117
    Affected: <= 1.0.0-rc.32
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-102521 (GCVE-0-2026-102521)

    Vulnerability from cvelistv5 – Published: 2026-09-29 13:14 – Updated: 2026-09-30 20:11
    VLAI
    Title
    lib0 `readFromDataView` out-of-bounds read
    Summary
    The decoder in `readFromDataView` in lib0 before 0.2.119 can be tricked into reading more than it should from a buffer. The vulnerability allows reading past the decoders' view, thus exposing adjacent process memory. This can be anything that is currently in the head, for example credentials or logs. This is similar to but different from GHSA-r5c8-rf4w-qrq8.
    Severity
    8.6 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 19:49 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    dmonad lib0 Affected: <= 0.2.118
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-102360 (GCVE-0-2026-102360)

    Vulnerability from cvelistv5 – Published: 2026-09-29 13:11 – Updated: 2026-09-29 13:55
    VLAI
    Title
    lib0 `readUint8Array` performs an unbounded read past the end of the decoder’s view, disclosing adjacent process memory
    Summary
    A missing bounds check in the binary decoder in lib0, versions 0.2.1-0.2.117 and earlier and 1.0.0-rc.32 and earlier, lets any unauthenticated remote peer read adjacent process memory and receive it back. `readUint8Array` never compares the wire-supplied length against the decoder's own view, so one over-long length prefix returns whatever the host process allocated next: other tenants' document content, personal data, and live bearer session tokens**, recovered in full and at will. An attacker who can supply bytes to a lib0 decoder which means any peer that can open a socket, including before authentication reads adjacent process memory and, where the consumer echoes, stores or re-serves the decoded value, receives it back. This is patched in version 0.2.118 and 1.0.0-rc.33.
    Severity
    8.6 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-29 13:54 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    dmonad lib0 Affected: <= 0.2.1-0.2.117
    Affected: <= 1.0.0-rc.32
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-102360",
    "datePublished": "2026-09-29T13:11:55.735Z",
    "dateReserved": "2026-09-28T22:38:42.255Z",
    "dateUpdated": "2026-09-29T13:55:21.424Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}