CVE-2021-4327

low-risk
Published 2023-03-01

A vulnerability was found in SerenityOS. It has been rated as critical. Affected by this issue is the function initialize_typed_array_from_array_buffer in the library Userland/Libraries/LibJS/Runtime/TypedArray.cpp. The manipulation leads to integer overflow. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is identified as f6c6047e49f1517778f5565681fb64750b14bf60. It is recommended to apply a patch to fix this issue. VDB-222074 is the identifier assigned to this vulnerability.

Do I need to act?

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0.47% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Serenityos

Affected Vendors

Serenityos

References (8)

Exploit https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html
Patch https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b...
Permissions Required https://vuldb.com/?ctiid.222074
Permissions Required https://vuldb.com/?id.222074
Exploit https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html
Patch https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b...
Permissions Required https://vuldb.com/?ctiid.222074
Permissions Required https://vuldb.com/?id.222074
25
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal