CVE detail

CVE-2021-27343 — CVE-2021-27343

Published 2021-04-06 · Modified 2026-06-17 · Vendor serenityos · Product serenityos · Source nvd

HIGH

severity

CVSS-derived band

7.5

CVSS v3

0–10 scale

0.0167

EPSS probability

exploitation probability, 30d

75.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

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.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.