CVE-2021-27219: glib before 2.66.6 (exclusive), from 2.67.0 (inclusive), before 2.67.3 (exclusive); +10 more affected products

Affected technology

glib · before 2.66.6 (exclusive)
gnome

glib · from 2.67.0 (inclusive), before 2.67.3 (exclusive)
gnome

fedora · 33
fedoraproject

fedora · 34
fedoraproject

active iq unified manager · Version not applicable in the source CPE
netapp

cloud backup · Version not applicable in the source CPE
netapp

e-series performance analyzer · Version not applicable in the source CPE
netapp

brocade fabric operating system firmware · Version not applicable in the source CPE
broadcom

debian linux · 9.0
debian

n/a · n/a
Vendor not specified by the source

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

Description’s affected range: before 2.66.6 and 2.67.x before 2.67.3

Component: Not specified by the source
Function: g_bytes_new

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.