CVE-2021-27219
7.5
HIGH
CVSS 3.1
EPSS 1.1%
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.
How to fix CVE-2021-27219
To remediate CVE-2021-27219, upgrade the affected package to a fixed version below.
- Alpine/glib—upgrade to 2.66.6-r0 or later
- —upgrade to 2.66.6-1 or later
Is CVE-2021-27219 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.66.6-r0
- from 0, < 2.66.6-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |