CVE-2026-46600
Published: July 24, 2026Last modified: August 17, 2026
Description
Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Notes
This issue was introduced in v0.47.0. buildah, podman, runc, skopeo in 23 LTS are not affected because they use x/net version < v0.47.0 buildah, cni-plugins, docker-cli-buildx, google-guest-agent, helm, podman, rootlesskit, runc, skopeo in 25 LTS are not affected because they use x/net version < v0.47.0 cni-plugins, google-guest-agent, helm, skopeo in Stream are not affected because they use x/net version < v0.47.0
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | buildah | Not affected (1.28.0-r1) |
| containerd | Fixed (1.7.32-r3) | ||
| podman | Not affected (4.3.1-r0) | ||
| runc | Not affected (1.1.4-r3) | ||
| skopeo | Not affected (1.10.0-r2) | ||
| 25 LTS | buildah | Not affected (1.40.0-r0) | |
| calicoctl | Fixed (3.31.3-r3) | ||
| cilium-cli | Fixed (0.19.0-r15) | ||
| cni-plugins | Not affected (1.9.0-r2) | ||
| containerd | Fixed (2.2.4-r3) | ||
| cri-tools | Fixed (1.35.0-r6) | ||
| docker-cli-buildx | Not affected (0.24.0-r0) | ||
| etcd | Fixed (3.6.11-r4) | ||
| google-guest-agent | Not affected (20250521.00-r0) | ||
| helm | Not affected (3.19.0-r4) | ||
| osv-scanner | Fixed (2.3.3-r0) | ||
| podman | Not affected (5.5.0-r0) | ||
| rootlesskit | Not affected (2.3.5-r0) | ||
| runc | Not affected (1.3.0-r1) | ||
| skopeo | Not affected (1.18.0-r2) | ||
| Stream | buildah | Fixed (1.44.0-r3) | |
| calicoctl | Fixed (3.31.3-r3) | ||
| cilium-cli | Fixed (0.19.0-r15) | ||
| cni-plugins | Not affected (1.9.0-r2) | ||
| containerd | Fixed (2.3.3-r1) | ||
| cri-tools | Fixed (1.35.0-r6) | ||
| docker-cli-buildx | Fixed (0.36.1-r0) | ||
| etcd | Fixed (3.6.11-r4) | ||
| google-guest-agent | Not affected (20250214.01-r0) | ||
| grype | Fixed (0.114.0-r3) | ||
| helm | Not affected (3.19.0-r4) | ||
| osv-scanner | Fixed (2.5.0-r0) | ||
| podman | Fixed (5.8.4-r3) | ||
| rootlesskit | Fixed (3.0.2-r1) | ||
| runc | Fixed (1.5.1-r1) | ||
| skopeo | Not affected (1.13.0-r1) |