CVE-2021-27343

HIGH

SerenityOS Unspecified - Buffer Overflow

Title source: llm
STIX 2.1

Description

SerenityOS Unspecified is affected by: Buffer Overflow. The impact is: obtain sensitive information (context-dependent). The component is: /Userland/Libraries/LibCrypto/ASN1/DER.h Crypto::der_decode_sequence() function. The attack vector is: Parsing RSA Key ASN.1.

References (3)

Core 3
Core References
Third Party Advisory x_refsource_misc
https://github.com/SerenityOS/serenity/issues/5317
Third Party Advisory x_refsource_misc
https://github.com/SerenityOS/serenity/pull/5344

Scores

CVSS v3 7.5
EPSS 0.0045
EPSS Percentile 63.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-120
Status published
Products (1)
serenityos/serenityos
Published Apr 06, 2021
Tracked Since Feb 18, 2026