CVE-2021-30354

8.6 highEPSS 8.4%

High (8.6) in amazon kindle firmware. EPSS 8.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.6 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS: 8.4% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
CWEs: CWE-190, CWE-680
Published: 2021-09-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

amazon:kindle_firmware

References

https://research.checkpoint.com/2021/i-can-take-over-your-kindle/
https://research.checkpoint.com/2021/i-can-take-over-your-kindle/

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