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CVE-2026-19642

Out-of-bounds write in the Base64 decoder in Amazon aws-sdk-cpp

An out-of-bounds write issue in the Base64 decoder in Amazon aws-sdk-cpp before 1.11.862 might allow a remote authenticated user to cause a crash or heap memory corruption in an application that processes crafted Base64-encoded input.



To remediate this issue, users should upgrade to version 1.11.862.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Amazon ≫ Aws Software Development Kit SwPlatformc++ Version < 1.11.862
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.3% 0.228
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
ff89ba41-3aa1-4d27-914a-91399e9639e5 6 0 0
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
ff89ba41-3aa1-4d27-914a-91399e9639e5 5.9 1.6 4.2
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://github.com/aws/aws-sdk-cpp/releases/tag/1.11.862
Release Notes
https://aws.amazon.com/security/security-bulletins/2026-080-aws/
Vendor Advisory
https://github.com/aws/aws-sdk-cpp/security/advisories/GHSA-wxx3-prfc-69xx
Vendor Advisory