Description
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 memory corruption.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | glib2.0 | 2.66.6-1 | — |
| Debian 13 | glib2.0 | 2.66.6-1 | — |
| Debian 12 | glib2.0 | 2.66.6-1 | — |
| Debian 9 | glib2.0 | 2.50.3-2+deb9u3 | DLA-3044-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | glib2.0 | 2.64.6-1~ubuntu20.04.2 | USN-4759-1 |
| Ubuntu 18.04 LTS | glib2.0 | 2.56.4-0ubuntu0.18.04.7 | USN-4759-1 |
| Ubuntu 16.04 LTS | glib2.0 | 2.48.2-0ubuntu4.7 | USN-4759-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | glib2.0 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | glib2 +5 | 2.56.4-10.el8_4 | RHSA-2021:2170 |
| RHEL 8 | mingw-glib2 +4 | 2.66.7-2.el8 | RHSA-2021:4526 |
| RHEL 7 | glib2 +5 | 2.56.1-9.el7_9 | RHSA-2021:2147 |
| RHEL 7 | redhat-virtualization-host +1 | 4.3.16-20210615.0.el7_9 | RHSA-2021:2519 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | redhat-virtualization-host +1 | 4.4.6-20210615.0.el8_4 | RHSA-2021:2522 |
| RHEL 8.2 EUS | glib2 +5 | 2.56.4-8.el8_2.1 | RHSA-2021:2171 |
| RHEL 8.1 EUS | glib2 +5 | 2.56.4-8.el8_1 | RHSA-2021:2172 |
| RHEL 7.7 EUS | glib2 +5 | 2.56.1-6.el7_7 | RHSA-2021:2175 |
| RHEL 7.6 EUS | glib2 +5 | 2.56.1-5.el7_6 | RHSA-2021:2204 |
| RHEL 7.4 TUS | glib2 +5 | 2.50.3-4.el7_4 | RHSA-2021:2174 |
| RHEL 7.4 E4S | glib2 +5 | 2.50.3-4.el7_4 | RHSA-2021:2174 |
| RHEL 7.4 AUS | glib2 +5 | 2.50.3-4.el7_4 | RHSA-2021:2174 |
| RHEL 7.3 AUS | glib2 +3 | 2.46.2-5.el7_3 | RHSA-2021:2173 |
| RHEL 7.2 AUS | glib2 +3 | 2.42.2-6.el7_2 | RHSA-2021:2203 |
| RHEL 6 ELS | glib2 +3 | 2.28.8-11.el6_10 | RHSA-2021:2467 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | glib2-doc +1 | 2.56.4-10.el8_4 | ALSA-2021:2170 |
| AlmaLinux 8 | mingw32-glib2 +3 | 2.66.7-2.el8 | ALSA-2021:4526 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | glib2 | 2.56.4-10.el8_4 | RLSA-2021:2170 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | glib2 | 2.62.6-3.6.1 | SUSE-SU-2021:0778-1 |
| SLES 15 SP1 | glib2 | 2.54.3-4.24.1 | SUSE-SU-2021:0890-1 |
| SLES 15 | glib2 | 2.54.3-4.24.1 | SUSE-SU-2021:0890-1 |
| SLES 12 SP5 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SLES 12 SP4 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
Show 21 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SLES 12 SP2 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SLES for SAP 15 SP1 | glib2 | 2.54.3-4.24.1 | SUSE-SU-2021:0890-1 |
| SLES for SAP 15 | glib2 | 2.54.3-4.24.1 | SUSE-SU-2021:0890-1 |
| SLES for SAP 12 SP5 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SLES for SAP 12 SP4 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SLES for SAP 12 SP3 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SLES for SAP 12 SP2 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SLE Micro 5.0 | glib2 | 2.62.6-3.6.1 | SUSE-SU-2021:0778-1 |
| SLE HPC 15 SP1 | glib2 | 2.54.3-4.24.1 | SUSE-SU-2021:0890-1 |
| SLE HPC 15 | glib2 | 2.54.3-4.24.1 | SUSE-SU-2021:0890-1 |
| SUSE OpenStack Cloud Crowbar 9 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SUSE OpenStack Cloud Crowbar 8 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SUSE OpenStack Cloud 9 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SUSE OpenStack Cloud 8 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SUSE OpenStack Cloud 7 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SUSE Manager Server 4.0 | glib2 | 2.54.3-4.24.1 | SUSE-SU-2021:0890-1 |
| SUSE Manager Retail Branch Server 4.0 | glib2 | 2.54.3-4.24.1 | SUSE-SU-2021:0890-1 |
| SUSE Manager Proxy 4.0 | glib2 | 2.54.3-4.24.1 | SUSE-SU-2021:0890-1 |
| SUSE HPE Helion OpenStack 8 | glib2 | 2.48.2-12.22.1 | SUSE-SU-2021:0801-1 |
| SUSE Enterprise Storage 6 | glib2 | 2.54.3-4.24.1 | SUSE-SU-2021:0890-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | glib2 | 2.62.6-lp152.2.6.1 | openSUSE-SU-2021:0406-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | glib | 2.66.6-r0 | — |
| Alpine v3.23 | glib | 2.66.6-r0 | — |
| Alpine v3.22 | glib | 2.66.6-r0 | — |
| Alpine v3.21 | glib | 2.66.6-r0 | — |
| Alpine v3.20 | glib | 2.66.6-r0 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | glib | 2.66.6-r0 | — |
| Alpine v3.18 | glib | 2.66.6-r0 | — |
| Alpine v3.17 | glib | 2.66.6-r0 | — |
| Alpine v3.16 | glib | 2.66.6-r0 | — |
| Alpine v3.15 | glib | 2.66.6-r0 | — |
| Alpine v3.14 | glib | 2.66.6-r0 | — |
| Alpine v3.13 | glib | 2.66.6-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | glib2 +5 | 2.56.1-9.amzn2.0.1 | ALAS2-2021-1655 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | glib | 2.60.1-5 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | glib2 +5 | 2.56.4-10.el8_4 | ELSA-2021-2170 |
| Oracle Linux 7 | glib2 +5 | 2.56.1-9.el7_9 | ELSA-2021-2147 |
Advisories 29
- ALSA-2021:4526 Important: mingw-glib2 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2021:2170 Important: glib2 security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2021:4526 Red Hat Security Advisory: mingw-glib2 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2522 Red Hat Security Advisory: Red Hat Virtualization Host security update [ovirt-4.4.6] Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2519 Red Hat Security Advisory: RHV-H security update (redhat-virtualization-host) 4.3.16 Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2467 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2203 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2204 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2174 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2175 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2172 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2173 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2171 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2147 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2021:2170 Red Hat Security Advisory: glib2 security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- SSA-398330 SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5 Siemens ProductCERT · Oct 13, 2026
- USN-4759-1 glib2.0 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-3044-1 glib2.0 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2021:2170 Important: glib2 security and bug fix update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2021:0890-1 Security update for glib2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0778-1 Security update for glib2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0801-1 Security update for glib2 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0406-1 Security update for glib2 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-3377 Dell PowerProtect Data Domain: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 12, 2025
- WID-SEC-2023-0063 Juniper Junos Space: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 8, 2025
- ICSA-23-348-10 Siemens SIMATIC S7-1500 CISA ICS & IT advisories · Aug 12, 2025
- ALAS2-2021-1655 Important: glib2 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jun 22, 2021
- ELSA-2021-2170 Important: glib2 security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jun 2, 2021
- ELSA-2021-2147 Important: glib2 security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 1, 2021
References
- https://gitlab.gnome.org/GNOME/glib/-/issues/2319
- [mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jar mailing-list
- FEDORA-2021-7c71cda8da vendor-advisory
- https://security.netapp.com/advisory/ntap-20210319-0004/
- FEDORA-2021-7b5e2e6844 vendor-advisory
- GLSA-202107-13 vendor-advisory
- [debian-lts-announce] 20220606 [SECURITY] [DLA 3044-1] glib2.0 security update mailing-list