CVE-2021-27219

high

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.

References

Advisories
More

https://security.netapp.com/advisory/ntap-20210319-0004/

https://security.gentoo.org/glsa/202107-13

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJMPNDO4GDVURYQFYKFOWY5HAF4FTEPN/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2REA7RVKN7ZHRLJOEGBRQKJIPZQPAELZ/

https://lists.debian.org/debian-lts-announce/2022/06/msg00006.html

https://github.com/madhunicabala/CVE-Vulnerability-Scanner

https://github.com/Live-Hack-CVE/CVE-2021-27219

https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E

https://gitlab.gnome.org/GNOME/glib/-/issues/2319

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-13984

Details

Source: Mitre, NVD

Published: 2021-02-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00357