CVE-2026-19643: aws software development kit before 1.11.862 (exclusive); +1 more affected products

CVE-2026-19643. CVSS 3.1 base score 5.3 (MEDIUM, Source advisory). EPSS 0.00565 (percentile 0.46189), scored 22-Oct-2026.

Affected technology

aws software development kit · before 1.11.862 (exclusive)
amazon

aws-sdk-cpp · 0 through 1.11.861
AWS

Description’s affected range: before 1.11.862, on some platforms, might

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

A remote authenticated user might crash an application that processes crafted Base64-encoded input. Source advisory’s CVSS 4.0 assessment (base score 6.0/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 24-Oct-2026 01:44 UTC

CWE: CWE-125
CCR priority: 21.3 /100 (P4)
CVSS 3.1: 5.3 /10 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H · Source advisory
EPSS: 0.00565 · percentile 0.46189 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-19643.html