Vulnerability · Published Sep 1, 2021 · Assigned by checkpoint

CVE-2021-30354

High 8.6

In plain English

A high-severity security flaw in Amazon Kindle e-reader. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 8.4% (higher than 95% of all known vulnerabilities).

Severity (CVSS NVD)8.6High
Exploit odds (30 days)8.4%top 5.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Amazon Kindle e-reader prior to and including version 5.13.4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function CJBig2Image::expand() and results in a memory corruption that leads to code execution when parsing a crafted PDF book.

Affected products (as reported)

VendorProductVersions
n/a Amazon Kindle e-reader All versions prior to and including 5.13.4

Weakness: CWE-680

References