CVE-2021-27219
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 3%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
Debian Linux· Debiandrupal
95%v < 2.66.62.67.0 ≤ v < 2.67.3
Affected range stops below 2.66.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.67.3, 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://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 (8)
x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://gitlab.gnome.org/GNOME/glib/-/issues/2319Mailing 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/Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202107-13x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20210319-0004/Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-398330.htmlCVSS
- 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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