CVE catalog
CVE-2021-3800
glib2.0: CVE-2021-3800
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.56% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | glib2.0 | sid | 2.90.1-2 | fixed |
| Debian | glib2.0 | forky | 2.90.1-2 | fixed |
| Debian | glib2.0 | trixie | 2.84.4-3~deb13u5 | fixed |
| Debian | glib2.0 | bookworm | 2.74.6-2+deb12u9 | fixed |
| Debian | glib2.0 | bookworm-security | 2.74.6-2+deb12u2 | fixed |
| Ubuntu | glib2.0 | pro | 2.46.1-1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.46.1-2 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.47.1-1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.47.3-3 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.47.4-1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.47.5-1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.47.6-1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.0-1ubuntu3 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.0-1ubuntu4 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.1-1~ubuntu16.04.1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu3 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.2 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.3 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.4 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.5 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.6 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.7 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.8 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.8+esm1 | fixed |
| Ubuntu | glib2.0 | 18.04 | 2.54.1-1ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.55.2-2ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.0-2ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.0-4ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.1-2ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.3 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.4 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.5 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.6 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.7 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.8 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.9 | fixed |
| Ubuntu | glib2.0 | pro | 2.46.1-1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.46.1-2 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.47.1-1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.47.3-3 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.47.4-1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.47.5-1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.47.6-1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.0-1ubuntu3 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.0-1ubuntu4 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.1-1~ubuntu16.04.1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu3 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.2 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.3 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.4 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.5 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.6 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.7 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.8 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.48.2-0ubuntu4.8+esm1 | fixed |
| Ubuntu | glib2.0 | 18.04 | 2.54.1-1ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.55.2-2ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.0-2ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.0-4ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.1-2ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.3 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.4 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.5 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.6 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.7 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.8 | vulnerable |
| Ubuntu | glib2.0 | 18.04 | 2.56.4-0ubuntu0.18.04.9 | fixed |
| Suse | glib2 | linux enterprise software development kit 12 sp5 | 2.48.2-12.25.1 | fixed |
| Suse | glib2 | linux enterprise server 12 sp5 | 2.48.2-12.25.1 | fixed |
| Suse | glib2 | linux enterprise server for sap applications 12 sp5 | 2.48.2-12.25.1 | fixed |
| Suse | glib2 | linux enterprise workstation extension 12 sp5 | 2.48.2-12.25.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | glib2.0 | source | sid | 2.64.0-1 | not yet assigned | Not reported | Not reported |
| Debian | glib2.0 | source | forky | 2.64.0-1 | not yet assigned | Not reported | Not reported |
| Debian | glib2.0 | source | trixie | 2.64.0-1 | not yet assigned | Not reported | Not reported |
| Debian | glib2.0 | source | bookworm | 2.64.0-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | glib2.0 | deb | pro | 2.48.2-0ubuntu4.8+esm1 | Not reported | USN-5189-1 | Not reported |
| Ubuntu | glib2.0 | deb | 18.04 | 2.56.4-0ubuntu0.18.04.9 | Not reported | USN-5189-1 | Not reported |
| Ubuntu | glib2.0 | deb | pro | 2.48.2-0ubuntu4.8+esm1 | Not reported | UBUNTU-CVE-2021-3800 | Not reported |
| Ubuntu | glib2.0 | deb | 18.04 | 2.56.4-0ubuntu0.18.04.9 | Not reported | UBUNTU-CVE-2021-3800 | Not reported |
| Suse | glib2 | rpm | linux enterprise software development kit 12 sp5 | 2.48.2-12.25.1 | Not reported | SUSE-SU-2022:0828-1 | Not reported |
| Suse | glib2 | rpm | linux enterprise server 12 sp5 | 2.48.2-12.25.1 | Not reported | SUSE-SU-2022:0828-1 | Not reported |
| Suse | glib2 | rpm | linux enterprise server for sap applications 12 sp5 | 2.48.2-12.25.1 | Not reported | SUSE-SU-2022:0828-1 | Not reported |
| Suse | glib2 | rpm | linux enterprise workstation extension 12 sp5 | 2.48.2-12.25.1 | Not reported | SUSE-SU-2022:0828-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libglib2.0-0]Fixed
Source package: [glib2.0]
Details (4)
2.74.6-2+deb12u9· amd64 · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u9· arm64 · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
- [libglib2.0-bin]Fixed
Source package: [glib2.0]
Details (4)
2.74.6-2+deb12u9· amd64 · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u9· arm64 · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
- [libglib2.0-data]Fixed
Source package: [glib2.0]
Details (4)
2.74.6-2+deb12u9· all · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u9· all · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· all · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· all · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
- [libglib2.0-dev]Fixed
Source package: [glib2.0]
Details (4)
2.74.6-2+deb12u9· amd64 · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u9· arm64 · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
- [libglib2.0-dev-bin]Fixed
Source package: [glib2.0]
Details (4)
2.74.6-2+deb12u9· amd64 · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u9· arm64 · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
- [libglib2.0-doc]Fixed
Source package: [glib2.0]
Details (4)
2.74.6-2+deb12u9· all · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u9· all · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· all · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· all · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
- [libglib2.0-tests]Fixed
Source package: [glib2.0]
Details (4)
2.74.6-2+deb12u9· amd64 · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u9· arm64 · bookwormFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
2.74.6-2+deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · bookworm; dsa · glib2.0 · debian · 12
[Debian 13 (Trixie)]
- [gir1.2-girepository-3.0]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [gir1.2-girepository-3.0-dev]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [gir1.2-glib-2.0]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [gir1.2-glib-2.0-dev]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [girepository-tools]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [libgio-2.0-dev]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [libgio-2.0-dev-bin]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [libgirepository-2.0-0]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [libgirepository-2.0-dev]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [libglib2.0-0t64]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [libglib2.0-bin]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [libglib2.0-data]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· all · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· all · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
- [libglib2.0-dev]Fixed
Source package: [glib2.0]
Details (2)
2.84.4-3~deb13u3· amd64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
2.84.4-3~deb13u3· arm64 · trixieFixed · Fixed:
2.64.0-1dsa · glib2.0 · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2021:4385]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2021_4385.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-3800]
- [https://osv.dev/vulnerability/DLA-3110-1]
- [https://osv.dev/vulnerability/SUSE-SU-2022:0828-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-3800]
- [https://osv.dev/vulnerability/USN-5189-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-3800]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1969.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]