CVE-2017-16820
9.8
CRITICAL · CVSS 3.0 · EPSS 4% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
The csnmp_read_table function in snmp.c in the SNMP plugin in collectd before 5.6.3 is susceptible to a double free in a certain error case, which could lead to a crash (or potentially have other impact).
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-415 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-11-14 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| collectd | collectd |
References
- https://access.redhat.com/errata/RHSA-2018:0252
- https://access.redhat.com/errata/RHSA-2018:0299
- https://access.redhat.com/errata/RHSA-2018:0560
- https://access.redhat.com/errata/RHSA-2018:1605
- https://access.redhat.com/errata/RHSA-2018:2615
- https://bugs.debian.org/881757
- https://github.com/collectd/collectd/commit/d16c24542b2f96a194d43a73c2e5778822b9cb47
- https://github.com/collectd/collectd/issues/2291
- https://github.com/collectd/collectd/releases/tag/collectd-5.6.3
- https://security.gentoo.org/glsa/201803-10
- https://access.redhat.com/errata/RHSA-2018:0252
- https://access.redhat.com/errata/RHSA-2018:0299
- https://access.redhat.com/errata/RHSA-2018:0560
- https://access.redhat.com/errata/RHSA-2018:1605
- https://access.redhat.com/errata/RHSA-2018:2615
- https://bugs.debian.org/881757
- https://github.com/collectd/collectd/commit/d16c24542b2f96a194d43a73c2e5778822b9cb47
- https://github.com/collectd/collectd/issues/2291
- https://github.com/collectd/collectd/releases/tag/collectd-5.6.3
- https://security.gentoo.org/glsa/201803-10
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