CVE-2017-9951
memcached - security update
7.5
HIGH
CVSS 3.1
EPSS 1.7%
Description
The try_read_command function in memcached.c in memcached before 1.4.39 allows remote attackers to cause a denial of service (segmentation fault) via a request to add/set a key, which makes a comparison between signed and unsigned int and triggers a heap-based buffer over-read. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-8705.
How to fix CVE-2017-9951
To remediate CVE-2017-9951, upgrade the affected package to a fixed version below.
- —upgrade to 1.4.33-r1 or later
- —upgrade to 1.5.0-1 or later
- —upgrade to 1.4.13-0.2+deb7u3 or later
- —upgrade to 1.4.21-1.1+deb8u2 or later
Is CVE-2017-9951 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.4.33-r1
- from 0, < 1.5.0-1
- from 0, < 1.4.13-0.2+deb7u3
- from 0, < 1.4.21-1.1+deb8u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |