CVE-2026-47774

ecs-service-connect-agent: Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-47774: A denial...

CVE-2026-47774 is fixed in ecs-service-connect-agent on 1 platform by ALAS2023-2026-1893 (version v1.34.13.2-1.amzn2023), released June 22, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
n/a
important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0097
61st percentile

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-47774: A denial-of-service vulnerability was found in Envoy's HTTP/2 HPACK header compression implementation. A remote attacker could send a specially crafted HTTP/2 request that triggers disproportionately large memory allocations on the server, leading to resource exhaustion and denial of service.

Where it's fixed

ProductFixed inFixReleased
Linux
ecs-service-connect-agent · amzn 2023 v1.34.13.2-1.amzn2023 ALAS2023-2026-1893 Jun 22, 2026

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