Cyber Resilience

CVE-2021-27218

High

Published: 15 February 2021

Published
15 February 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.1049 93.4th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-27218 is a high-severity Incorrect Conversion between Numeric Types (CWE-681) vulnerability in Gnome Glib. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 6.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If g_byte_array_new_take() was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 2**32, causing unintended length truncation.

CWE(s)
CWE-681

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

gnome
glib
≤ 2.66.7 · 2.67.0 — 2.67.4
fedoraproject
fedora
33, 34
netapp
active iq unified manager
all versions
netapp
cloud backup
all versions
netapp
e-series performance analyzer
all versions
broadcom
brocade fabric operating system firmware
all versions
debian
debian linux
9.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References