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Comparison · Infra & APIs
ClamAV vs k0s
A side-by-side editorial comparison of ClamAV and k0s — release velocity, themes, recent moves, and the top alternatives to consider.
ClamAV vs k0s: at a glance
What is ClamAV?
Eight CVEs in one August batch — ClamAV's parser surface is the whole story.
ClamAV runs two supported lines, 1.5.x and 1.4.x, and publishes near-identical patch releases seconds apart whenever vulnerabilities land. The August pair is the largest yet in this window: eight CVEs in 1.5.4, six of them backported to 1.4.6, spanning the ZIP catalogue, GPT partition, PESpin, PDF, Mach-O and XAR parsers. Several reach back a decade or more — the PESpin overflow affects builds from 0.90 onward.
What is k0s?
k0s ships another four-branch patch round, with an IPv6 service CIDR fix on 1.37 and 1.36.
On November 3 k0s released v1.37.2, 1.36.6, 1.35.10 and 1.34.13 within minutes of each other. The 1.37 and 1.36 releases remove a size limit on IPv6 service CIDRs and update containerd to 2.3.6; 1.37.2 also bumps kine, ORAS and troubleshoot. The 1.35 and 1.34 branches take only Kubernetes patch updates.
ClamAV vs k0s: editorial side-by-side
ClamAV
5.0INFRA · APIS
Eight CVEs in one August batch — ClamAV's parser surface is the whole story.
◆ Current state
ClamAV runs two supported lines, 1.5.x and 1.4.x, and publishes near-identical patch releases seconds apart whenever vulnerabilities land. The August pair is the largest yet in this window: eight CVEs in 1.5.4, six of them backported to 1.4.6, spanning the ZIP catalogue, GPT partition, PESpin, PDF, Mach-O and XAR parsers. Several reach back a decade or more — the PESpin overflow affects builds from 0.90 onward.
◆ Where it's heading
Feature work has been paused since 1.5.0 last October; everything since is patch traffic against the file format parsers, and the batches are growing rather than shrinking. The August release widens the surface beyond parsing for the first time here, with a clamd STATS thread-safety bug that could disclose process memory or crash the daemon. Reporter credits increasingly come from automated discovery — Atuin, GitHub Security Lab, Trail of Bits — which suggests the find rate tracks the tooling pointed at this codebase, not new code being written.
◆ Prediction
Expect the dual-branch pattern to continue and per-batch CVE counts to stay high while automated fuzzing keeps sweeping the parser surface. These entries give no indication of a 1.6 line opening — there has been no development release since the 1.5.0 cycle.
k0s
5.0INFRA · APIS
k0s ships another four-branch patch round, with an IPv6 service CIDR fix on 1.37 and 1.36.
◆ Current state
On November 3 k0s released v1.37.2, 1.36.6, 1.35.10 and 1.34.13 within minutes of each other. The 1.37 and 1.36 releases remove a size limit on IPv6 service CIDRs and update containerd to 2.3.6; 1.37.2 also bumps kine, ORAS and troubleshoot. The 1.35 and 1.34 branches take only Kubernetes patch updates.
◆ Where it's heading
k0s now maintains four branches on a shared patch cadence, roughly one coordinated round a week after the 1.37 line opened on October 27. Fixes and dependency updates land on the newest two branches, while older ones receive only Kubernetes patches, which indicates where active support is concentrated.
◆ Prediction
Expect the next coordinated round to follow upstream Kubernetes patch releases, with 1.34 likely to stop receiving updates as 1.37 matures.
Alternatives to ClamAV and k0s
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either ClamAV or k0s.
Apache ShenYu
ShenYu is cutting 2.7.2 release candidates, but the tags still carry no notes.
Honeycomb
Honeycomb's Canvas now remembers your systems and lays out each investigation in sections.
AdGuard Home
AdGuard Home's stable line takes a Go security update and turns off Multipath TCP.
Gloo Gateway
Gloo Gateway 1.20.29 stops a failed restart from wiping every Envoy's config
Inspektor Gadget
Inspektor Gadget v0.58 adds SELinux and rename tracing and fixes stale OTel series
Recent activity from ClamAV and k0s
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agok0s1.37.2 lifts the IPv6 service CIDR size limit
- 1d agok0s1.36.6: IPv6 CIDR fix, Kubernetes 1.36.6, containerd 2.3.6
- 1d agok0s1.35.10: Kubernetes patch bump
- 1d agok0s1.34.13: Kubernetes patch bump
- 8d agok0sk0s opens the 1.37 line with v1.37.1
- 8d agok0s1.36.5: Kubernetes bump, etcd 3.6.15, scoped worker autopilot
- 2mo agoClamAVEight parser CVEs and a clamd STATS disclosure fix
- 2mo agoClamAV1.4 branch takes six of the eight parser CVEs
- 4mo agoClamAVPESpin use-after-free and PE overflow patched
- 4mo agoClamAVSame PE fixes backported to the 1.4 line
- 8mo agoClamAVHTML parser crash fixed; Rust floor raised again
- 8mo agoClamAV1.4 branch takes the HTML and TIFF parser fixes
Frequently asked questions
What is the difference between ClamAV and k0s?
They serve adjacent needs but don't currently overlap on shipped themes. ClamAV and k0s are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is ClamAV better than k0s?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. ClamAV and k0s are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to ClamAV?
Top ClamAV alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "ClamAV alternatives" section above for the current picks, or visit /alternatives/clamav for the full list with editorial commentary on each.
What are the best alternatives to k0s?
Top k0s alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "k0s alternatives" section above for the current picks, or visit /alternatives/k0s for the full list with editorial commentary on each.