CVE-2021-43614

medium

Error in handling the PlatformLangCodes UEFI variable could cause a buffer overflow, leading to resource exhaustion and failure.

Error in handling the PlatformLangCodes UEFI variable could cause a buffer overflow, leading to resource exhaustion and failure.

CVSS

6.7

6.7 (CVSS v3.1)

CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:L

Severity source: NVD CVSS v3.1 (8338d8cb-57f7-4252-abc0-96fd13e98d21)

Timeline (UTC)

Published: 2026-09-03 13:04

Modified: 2026-09-03 18:09

NVD status: Undergoing Analysis

Last synced 1 day ago

Verified against the source API 2026-10-27 06:50 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

No vendor advisory or patch reference tagged by NVD. Check the references below.

NVD CVE API 2.0 — fetched 2026-10-27 06:50 UTC · record ↗