Amazon Linux 2027 Preview Security Advisory: ALAS2027-2026-241
Advisory Released Date: 2026-10-26
Advisory Updated Date: 2026-11-02
Severity:
Important
Issue Overview:
Package updates are available for Amazon Linux 2027 that fix the following vulnerabilities:
CVE-2026-92392:
During an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server (with reason `HTTP_1_1_REQUIRED` or `REFUSED_STREAM`) leading to a use after free of a `struct Curl_easy` object.
Affected Packages:
curl
Issue Correction:
Run dnf update curl --releasever 2027.0.20261026 or dnf update --advisory ALAS2027-2026-241 --releasever 2027.0.20261026 to update your system.
New Packages:
aarch64:
libcurl-minimal-debuginfo-8.22.0-1.amzn2027.0.2.aarch64
libcurl-debuginfo-8.22.0-1.amzn2027.0.2.aarch64
libcurl-8.22.0-1.amzn2027.0.2.aarch64
curl-debuginfo-8.22.0-1.amzn2027.0.2.aarch64
libcurl-minimal-8.22.0-1.amzn2027.0.2.aarch64
curl-8.22.0-1.amzn2027.0.2.aarch64
curl-debugsource-8.22.0-1.amzn2027.0.2.aarch64
libcurl-devel-8.22.0-1.amzn2027.0.2.aarch64
src:
curl-8.22.0-1.amzn2027.0.2.src
x86_64:
libcurl-debuginfo-8.22.0-1.amzn2027.0.2.x86_64
curl-debuginfo-8.22.0-1.amzn2027.0.2.x86_64
libcurl-minimal-debuginfo-8.22.0-1.amzn2027.0.2.x86_64
curl-8.22.0-1.amzn2027.0.2.x86_64
curl-debugsource-8.22.0-1.amzn2027.0.2.x86_64
libcurl-minimal-8.22.0-1.amzn2027.0.2.x86_64
libcurl-devel-8.22.0-1.amzn2027.0.2.x86_64
libcurl-8.22.0-1.amzn2027.0.2.x86_64