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Vulnerability record · CVE-2016-6254 · published 19 August 2016

CVE-2016-6254: Debian linux memory buffer overflow vulnerability

Debian · Debian Linux

Heap-based buffer overflow in the parse_packet function in network.c in collectd before 5.4.3 and 5.x before 5.5.2 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted network packet.

9.1 CVSS 3.0 Critical EPSS 5.7% · top 7.3% CWE-119 · Memory buffer overflow
9.1CVSS 3.0 base score, v2 6.4
5.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the parse_packet function in network.c in collectd before 5.4.3 and 5.x before 5.5.2 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted network packet.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://collectd.org/news.shtml Release NotesVendor Advisory
http://www.debian.org/security/2016/dsa-3636 Third Party Advisory
https://github.com/collectd/collectd/commit/b589096f907052b3a4da2b9ccc9b0e2e888dfc18 PatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CM4W5SJ4OTBGINGIN4NJLXC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UIZ5UXDOB7BA5NGE2F2I2BL
http://collectd.org/news.shtml Release NotesVendor Advisory
http://www.debian.org/security/2016/dsa-3636 Third Party Advisory
https://github.com/collectd/collectd/commit/b589096f907052b3a4da2b9ccc9b0e2e888dfc18 PatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CM4W5SJ4OTBGINGIN4NJLXC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UIZ5UXDOB7BA5NGE2F2I2BL

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Source: NIST National Vulnerability Database (record CVE-2016-6254), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.