CVE-2019-7309
5.5
MEDIUM
CVSS 3.1
EPSS 0.22%
Description
In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.
How to fix CVE-2019-7309
To remediate CVE-2019-7309, upgrade the affected package to a fixed version below.
- Debian/glibc—upgrade to 2.28-6 or later
Is CVE-2019-7309 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.28-6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |