High severity7.5NVD Advisory· Published Feb 15, 2021· Updated Jun 17, 2026
CVE-2021-27219
CVE-2021-27219
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
50- GNOME/GLibdescription
- osv-coords40 versionspkg:rpm/almalinux/glib2-docpkg:rpm/almalinux/glib2-staticpkg:rpm/almalinux/mingw32-glib2-staticpkg:rpm/almalinux/mingw64-glib2pkg:rpm/almalinux/mingw32-glib2pkg:rpm/suse/glib2&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/glib2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/glib2&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/almalinux/mingw64-glib2-staticpkg:rpm/suse/glib2&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/glib2&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/glib2&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/glib2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/glib2&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/glib2&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/glib2&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5pkg:rpm/suse/glib2&distro=SUSE%20Manager%20Server%204.0pkg:rpm/opensuse/glib2&distro=openSUSE%20Leap%2015.2
< 2.56.4-10.el8_4+ 39 more
- (no CPE)range: < 2.56.4-10.el8_4
- (no CPE)range: < 2.56.4-10.el8_4
- (no CPE)range: < 2.66.7-2.el8
- (no CPE)range: < 2.66.7-2.el8
- (no CPE)range: < 2.66.7-2.el8
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.66.7-2.el8
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.62.6-3.6.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.62.6-3.6.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.48.2-12.22.1
- (no CPE)range: < 2.54.3-4.24.1
- (no CPE)range: < 2.62.6-lp152.2.6.1
<2.66.6, <2.67.3+ 1 more
- (no CPE)range: <2.66.6, <2.67.3
- cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*range: <2.66.6
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
7- gitlab.gnome.org/GNOME/glib/-/issues/2319nvdExploitIssue TrackingThird Party Advisory
- lists.debian.org/debian-lts-announce/2022/06/msg00006.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/202107-13nvdThird Party Advisory
- security.netapp.com/advisory/ntap-20210319-0004/nvdThird Party Advisory
- lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3Envd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2REA7RVKN7ZHRLJOEGBRQKJIPZQPAELZ/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJMPNDO4GDVURYQFYKFOWY5HAF4FTEPN/nvd
News mentions
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