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AWS AmazonCloudFront medium security documentation change

Service: AmazonCloudFront · 2025-08-16 · Security-related medium

File: AmazonCloudFront/latest/DeveloperGuide/private-content-setting-signed-cookie-custom-policy.md

Summary

Updated expiration dates in policy examples to 2026

Security assessment

Updates expiration timestamps to 2026 and aligns with 64-bit epoch time to prevent 2038-related expiration failures, ensuring continued enforcement of access controls for signed cookies.

Diff

diff --git a/AmazonCloudFront/latest/DeveloperGuide/private-content-setting-signed-cookie-custom-policy.md b/AmazonCloudFront/latest/DeveloperGuide/private-content-setting-signed-cookie-custom-policy.md
index 79bea3db9..568add0e4 100644
--- a//AmazonCloudFront/latest/DeveloperGuide/private-content-setting-signed-cookie-custom-policy.md
+++ b//AmazonCloudFront/latest/DeveloperGuide/private-content-setting-signed-cookie-custom-policy.md
@@ -304 +304 @@ The following example custom policy in a signed cookie specifies that a user can
-                        "AWS:EpochTime": 1357034400
+                        "AWS:EpochTime": 1767290400
@@ -325 +325 @@ The following example custom policy allows you to create signed cookies for any
-                        "AWS:EpochTime": 1357034400
+                        "AWS:EpochTime": 1767290400
@@ -350 +350 @@ The following sample custom policy allows you to set signed cookies for any file
-                        "AWS:EpochTime": 1357034400
+                        "AWS:EpochTime": 1767290400
@@ -353 +353 @@ The following sample custom policy allows you to set signed cookies for any file
-                        "AWS:EpochTime": 1357120800
+                        "AWS:EpochTime": 1767376800