CVE-2026-39830
Public on 2026-05-22
Modified on 2026-05-22
Description
A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | amazon-cloudwatch-agent | Pending Fix | ||
| Amazon Linux 2023 | amazon-cloudwatch-agent | Pending Fix | ||
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | amazon-ecr-credential-helper | Not Affected | ||
| Amazon Linux 2 - Docker Extra | amazon-ecr-credential-helper | Not Affected | ||
| Amazon Linux 2 - Ecs Extra | amazon-ecr-credential-helper | Not Affected | ||
| Amazon Linux 2023 | amazon-ecr-credential-helper | Not Affected | ||
| Amazon Linux 2 - Core | amazon-ssm-agent | Pending Fix | ||
| Amazon Linux 2023 | amazon-ssm-agent | Pending Fix | ||
| Amazon Linux 2 - Core | cni-plugins | Not Affected | ||
| Amazon Linux 2023 | cni-plugins | Not Affected | ||
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | containerd | Pending Fix | ||
| Amazon Linux 2 - Docker Extra | containerd | Pending Fix | ||
| Amazon Linux 2 - Ecs Extra | containerd | Pending Fix | ||
| Amazon Linux 2023 | containerd | Pending Fix | ||
| Amazon Linux 2023 | credentials-fetcher | Not Affected | ||
| Amazon Linux 2 - Core | cri-tools | Not Affected | ||
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | docker | Pending Fix | ||
| Amazon Linux 2 - Docker Extra | docker | Pending Fix | ||
| Amazon Linux 2 - Ecs Extra | docker | Pending Fix | ||
| Amazon Linux 2023 | docker | Pending Fix | ||
| Amazon Linux 2 - Ecs Extra | ecs-init | Not Affected | ||
| Amazon Linux 2023 | ecs-init | Not Affected | ||
| Amazon Linux 2023 | git-lfs | Pending Fix | ||
| Amazon Linux 2 - Core | golang | Not Affected | ||
| Amazon Linux 2023 | golang | Not Affected | ||
| Amazon Linux 2023 | golang-github-burntsushi-toml | Not Affected | ||
| Amazon Linux 2023 | golang-github-burntsushi-toml-test | Not Affected | ||
| Amazon Linux 2023 | golang-github-cpuguy83-md2man | Not Affected | ||
| Amazon Linux 2 - Core | golist | Not Affected | ||
| Amazon Linux 2023 | golist | Not Affected | ||
| Amazon Linux 2023 | libcap | Not Affected | ||
| Amazon Linux 2 - Core | nerdctl | Pending Fix | ||
| Amazon Linux 2023 | nerdctl | Pending Fix | ||
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | oci-add-hooks | Not Affected | ||
| Amazon Linux 2 - Docker Extra | oci-add-hooks | Not Affected | ||
| Amazon Linux 2 - Ecs Extra | oci-add-hooks | Not Affected | ||
| Amazon Linux 2023 | oci-add-hooks | Not Affected | ||
| Amazon Linux 2 - Core | rclone | Pending Fix | ||
| Amazon Linux 2023 | rclone | Pending Fix | ||
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | runc | Not Affected | ||
| Amazon Linux 2 - Docker Extra | runc | Not Affected | ||
| Amazon Linux 2 - Ecs Extra | runc | Not Affected | ||
| Amazon Linux 2023 | runc | Not Affected | ||
| Amazon Linux 2 - Docker Extra | runfinch-finch | Pending Fix | ||
| Amazon Linux 2023 | runfinch-finch | Pending Fix | ||
| Amazon Linux 2 - Docker Extra | soci-snapshotter | Not Affected | ||
| Amazon Linux 2023 | soci-snapshotter | Not Affected | ||
| Amazon Linux 2023 | yq | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |