CVE-2021-27219

HighCVSS 7.5/10Last modified Oct 14, 2026

Description

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-681

Affected software

No affected versions have been published.

Timeline

Published
Feb 15, 2021
Last modified
Oct 14, 2026
NVD status
Modified

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CVE-2021-27219: High severity, CVSS 7.5 | Vulnix