CVE-2021-27218
HIGH
7.5
CVSS Score
Published: February 15, 2021 at 04:27 PM UTC
Updated: October 14, 2026 at 12:17 PM UTC
7 products affected across 5 vendorsDebian LinuxFedoraActive IQ Unified Manager
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Severity
HIGH7.5
Exploit prediction
EPSS 4%
Description
An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If g_byte_array_new_take() was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 2**32, causing unintended length truncation.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
Debian Linux· Debiandrupal
95%v < 2.66.72.67.0 ≤ v < 2.67.4
Affected range stops below 2.66.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.67.4, so it looks safe — our inference, not a vendor statement
All versions
Cloud Backup· NetAppdrupal
95%All versions
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1942
- https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1944
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2REA7RVKN7ZHRLJOEGBRQKJIPZQPAELZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJMPNDO4GDVURYQFYKFOWY5HAF4FTEPN/
- https://security.gentoo.org/glsa/202107-13
References (11)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1942x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1944Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3EMailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3EMailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3EMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/06/msg00006.htmlVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2REA7RVKN7ZHRLJOEGBRQKJIPZQPAELZ/Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJMPNDO4GDVURYQFYKFOWY5HAF4FTEPN/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-681
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