CVE-2018-11237
7.8
HIGH
CVSS 3.1
EPSS 0.80%
Description
An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.
How to fix CVE-2018-11237
To remediate CVE-2018-11237, upgrade the affected package to a fixed version below.
- Debian/glibc—upgrade to 2.27-4 or later
Is CVE-2018-11237 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.27-4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |