OPENSUSE-SU-2026:21079-1

Advisory lineage Upstream: 21 Downstream: 0
Published: 17 Jun 2026, 16:32
Last modified:30 Jun 2026, 18:24

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Jun 2026, 16:32
Published
Vulnerability first disclosed
30 Jun 2026, 18:24
Last Modified
Vulnerability information updated

Description

Security update for amazon-ssm-agent This update for amazon-ssm-agent fixes the following issues Update to version 3.3.4624.0: - CVE-2025-22869: golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh (bsc#1239342). - CVE-2025-22870: golang.org/x/net/proxy: proxy bypass using IPv6 zone IDs (bsc#1238702). - CVE-2025-47913: golang.org/x/crypto/ssh/agent: client process termination when receiving an unexpected message type in response to a key listing or signing request (bsc#1253611). - CVE-2026-1229: the CombinedMult function in the ecc/p384 package produces an incorrect value for specific inputs (bsc#1265474). - CVE-2026-25934: github.com/go-git/go-git/v5: improper verification of data integrity values for .pack and .idx files can lead to the consumption of corrupted files (bsc#1258095). - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege esca (bsc#1266781). - CVE-2026-41506: github.com/go-git/go-git/v5: HTTP authentication credential leak when following redirects during smart-HTTP clone and fetch operations (bsc#1264952). - CVE-2026-44740: github.com/go-git/go-billy/v5: improper input handling in many components can lead to DoS via infinite loops, panics or resource consumption (bsc#1267332). - CVE-2026-39827: Invoking memory leak when rejecting channels can lead to DoS in golang.org/x/crypto/ssh (bsc#1266200). - CVE-2026-39828: Invoking bypass of certificate restrictions in golang.org/x/crypto/ssh (bsc#1266200). - CVE-2026-39829: Invoking pathological RSA/DSA parameters may cause DoS in golang.org/x/crypto/ssh (bsc#1266200). - CVE-2026-39830: Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh (bsc#1266200). - CVE-2026-39831: Invoking bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh (bsc#1266200). - CVE-2026-39832: Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent (bsc#1266200). - CVE-2026-39833: Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent (bsc#1266200). - CVE-2026-39834: Invoking infinite loop on large channel writes in golang.org/x/crypto/ssh (bsc#1266200). - CVE-2026-39835: Invoking server panic during CheckHostKey/Authenticate in golang.org/x/crypto/ssh (bsc#1266200). - CVE-2026-42508: Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts (bsc#1266200). - CVE-2026-46595: Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh (bsc#1266200). - CVE-2026-46597: Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh (bsc#1266200). - CVE-2026-46598: Invoking pathological inputs can lead to client panic in golang.org/x/crypto/ssh/agent (bsc#1266200). Changes: * Bump golang.org/x/crypto from v0.51.0 to v0.52.0 * Bump golang.org/x/net from v0.54.0 to v0.55.0 * Enforce directory boundary in BuildSafePath * Fix visibility issue with Bottlerocket OS in document output * Update go-git from v5.17.1 to v5.19.1 (bsc#1264952, CVE-2026-41506), this also updates go-billy from v5.8.0 to v5.9.0 (bsc#1267332, CVE-2026-44740) * Bump golang.org/x/net from v0.48.0 to v0.53.0 (bsc#1266781, CVE-2026-39821) * Quit if sysprep failed and log its current state * Remove attached legacy cloudwatch plugin packages * Upgrade Go version to 1.25.10 * Use BuildSafePath wherever it is applicable * Add OOM killer protection to systemd service files * Apply more sanitation to file and registry inventory gatherers * Bump go-git to v5.17.1 * Deprecate legacy cloudwatch plugin * Preserve network error details in credential refresher SSM API failures * Upgrade Go version to 1.25.9 * Add SSM Distributor support for Bottlerocket OS * Implement flush credentials command in ssm-cli * Log ec2messages access denied as debug instead of error to reduce log noise * Make credential refresher refresh cache quickly in case of credential flush * Make Greengrass component registration resilient with retry * Add EnforceWorkspaceRootOwnership configuration to support disable hardening of agent workspace * Add reboot comment to Windows shutdown command for SSM Agent traceability * Update privilege access check to verify ownership and permissions of document state files * Add read-only version check prior to install and uninstall in case of occupied package manager locks * Add ANSI processing for CloudWatch and S3 log * Upgrade go-git to v5.17.0 and cloudflare/circl to v1.6.3 to fix CVE-2026-1229 - Switch to systemd-tmpfiles to store runtime data (jsc#PED-14843) * Disable Go 1.25 container-aware GOMAXPROCS to prevent holding cgroup file descriptors open * Upgrade Go version to 1.25.8 * Document CommandWorkerBufferLimit config * Include package update in Dockerfile * Reduce CloudWatch event message length threshold * Upgrade Go version to 1.25.7 * Update github.com/go-git/go-git/v5 to 5.16.5 (bsc#1258095, CVE-2026-25934) * Update greengrass version * Update Golang version to 1.24.12 * Updating golang.org/x/crypto from v0.37.0 to v0.47.0, golang.org/x/net from v0.39.0 to v0.48.0 and golang.org/x/sys from v0.32.0 to v0.40.0 (bsc#1253611, CVE-2025-47913) * Categorize integration tests by adding new tags to split fast and slow ones * Fix bug where IP field being empty string and causing UII API failure * Allow Patch execution to persist across reboots not registered to SSM Agent * Fix ENV_VAR interpolation to work correctly with parameter store value * Implement immediate retries for failed reply messages to MGS for RunCommand documents * Improve ssm-cli get-diagnostics command log output * Support DomainJoin endpoint for EU sovereign cloud * Support dualstack S3 endpoint for distributor packages * Upgrade Go version to 1.24.11 * Add initial IPv6 support with UseDualStackEndpoint configuration option * Fix CPU utilization issue for instances with thousands of network interfaces * Add IMDS retry count to account for EC2 droplet refresh * Fix duplicate uid error logging in MDS module * Update aws:Domainjoin plugin logging from Log4Net to NLog * Upgrade Go version to 1.24.7 * Update github.com/go-git/go-git/v5 to 5.15.0 * Update golang.org/x/crypto to v0.37.0 (bsc#1238702, CVE-2025-22870) * Update golang.org/x/net to v0.39.0 * Update golang.org/x/sys to v0.32.0 * Add EU sovereign cloud S3 endpoint for DownloadContent plugin * Add configurable credential rotation max backoff interval * Migrate from twinj/uuid to google/uuid library * Allow newer agent versions to be installed when deploying on Greengrass * Harden function to remove non-admin run command documents in execution path * Fix macOS credential refresher test issue due to missing Debugf from serialport skip file * Enhance testability of custom certificate usage in debug SSM Agent builds * Decouple serial port from startup and add credential refresher serialport logging * Add GlobalEnhancedTelemetryEnabled config to README * Add cloudwatch logs endpoint configuration to optional config for agent * Update Greengrass component version * Add file privilege check before processing document state file * Storing AWS document interpolation ENV_VAR types as environment variables * Throw explicit error when running local cli as non-priviledged user * Harden telemetry dynamic config folder permissions * Add configuration option for HandshakeTimeout * Improve unit tests * Add setup for emitting telemetry logs and metrics * Add initial selection of error logs to emit to telemetry * Simplify checkstyle and import organization in build scripts * Update golang.org/x/net from v0.37.0 to v0.38.0 * Agent hibernation reason is logged to EC2 system logs * Add metrics for the EC2Detector and IMDS EC2 status findings * Change Linux DomainJoin plugin parameter KeepHostName to accept both boolean and string * Upgrade GoLang to version 1.23.8 * Update golang.org/x/crypto from v0.32.0 to v0.36.0 (bsc#1239342, CVE-2025-22869)

Affected Systems

  • opensuse•amazon-ssm-agent&distro=openSUSE Leap 16.0

    < 3.3.4624.0-160000.1.1

References (30)