Amazon Linux 2027 Preview Security Advisory: ALAS2027-2026-329
Advisory Released Date: 2026-11-09
Advisory Updated Date: 2026-11-10
Severity:
Important
Issue Overview:
go-openapi/swag jsonutils before 0.27.1 contains a stack overflow vulnerability in ordered JSON parsing and serialization due to unbounded recursion with no depth limit. Remote unauthenticated attackers can submit deeply nested JSON documents to services accepting OpenAPI specifications, causing fatal stack overflow that terminates the process and all in-flight requests. (CVE-2026-93450)
Affected Packages:
runfinch-finch
Issue Correction:
Run dnf update runfinch-finch --releasever 2027.0.20261109 or dnf update --advisory ALAS2027-2026-329 --releasever 2027.0.20261109 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2027 documentation
New Packages:
aarch64:
runfinch-finch-1.19.0-1.amzn2027.0.4.aarch64
src:
runfinch-finch-1.19.0-1.amzn2027.0.4.src
x86_64:
runfinch-finch-1.19.0-1.amzn2027.0.4.x86_64