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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | collectd | 5.5.2-1 | — |
| Debian 12 | collectd | 5.5.2-1 | — |
| Debian 8 | collectd | 5.4.1-6+deb8u1 | DSA-3636-1 |
| Debian 7 | collectd | 5.1.0-3+deb7u1 | DLA-575-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | collectd | 5.5.1-1ubuntu0.1~esm1 | USN-4793-1 |
| Ubuntu Pro 14.04 LTS | collectd | 5.4.0-3ubuntu2.2+esm1 | USN-4793-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE WebYast 1.3 | collectd | 4.9.4-0.25.1 | SUSE-SU-2016:2187-1 |
| SUSE Lifecycle Management Server 1.3 | collectd | 4.9.4-0.25.1 | SUSE-SU-2016:2187-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | collectd | 5.5.2-r0 | — |
| Alpine v3.23 | collectd | 5.5.2-r0 | — |
| Alpine v3.22 | collectd | 5.5.2-r0 | — |
| Alpine v3.21 | collectd | 5.5.2-r0 | — |
| Alpine v3.20 | collectd | 5.5.2-r0 | — |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | collectd | 5.5.2-r0 | — |
| Alpine v3.18 | collectd | 5.5.2-r0 | — |
| Alpine v3.17 | collectd | 5.5.2-r0 | — |
| Alpine v3.16 | collectd | 5.5.2-r0 | — |
| Alpine v3.15 | collectd | 5.5.2-r0 | — |
| Alpine v3.14 | collectd | 5.5.2-r0 | — |
| Alpine v3.13 | collectd | 5.5.2-r0 | — |
| Alpine v3.12 | collectd | 5.5.2-r0 | — |
| Alpine v3.11 | collectd | 5.5.2-r0 | — |
| Alpine v3.10 | collectd | 5.5.2-r0 | — |
| Alpine v3.9 | collectd | 5.5.2-r0 | — |
| Alpine v3.6 | collectd | 5.5.2-r0 | — |
| Alpine v3.5 | collectd | 5.5.2-r0 | — |
| Alpine v3.4 | collectd | 5.5.2-r0 | — |
Advisories 4
- USN-4793-1 collectd vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-575-1 collectd - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3636-1 collectd - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:2187-1 Security update for collectd SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/collectd/collectd/commit/b589096f907052b3a4da2b9ccc9b0e2e888dfc18
- FEDORA-2016-e16a14ffc5 vendor-advisory
- DSA-3636 vendor-advisory
- http://collectd.org/news.shtml
- FEDORA-2016-23f0d552e8 vendor-advisory