Cyber Resilience

CVE-2021-27219

HighPublic PoC

Published: 15 February 2021

Published
15 February 2021
Modified
21 November 2024
KEV Added
—
Patch
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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 0.0109 78.4th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-27219 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 21.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

memory corruption.

CWE(s)
CWE-681

Related Threats

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

Affected Assets

gnome
glib
≤ 2.66.6 · 2.67.0 — 2.67.3
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