Medium severity · published Aug 23, 2022
CVE-2021-3800
A flaw was found in glib before version 2.63.6
5.5
CVSS
0.6%
EPSS
No
On KEV
Description
A flaw was found in glib before version 2.63.6. Due to random charset alias, pkexec can leak content from files owned by privileged users to unprivileged ones under the right condition.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AI
Active IQ Unified Manager · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
10.0 · source: NVD
GL
Glib · Gnome
before 2.62.5; 2.63.0 before 2.63.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3800
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3800
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-3800
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1938284
Patch
https://gitlab.gnome.org/GNOME/glib/-/commit/3529bb4450a51995
Mailing List
https://lists.debian.org/debian-lts-announce/2022/09/msg00020.html
Third Party Advisory
https://security.netapp.com/advisory/ntap-20221028-0004/
Exploit
https://www.openwall.com/lists/oss-security/2017/06/23/8
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder