Amazon Kindle Firmware vulnerabilities

2 CVEs affecting Amazon Kindle Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-30355, published 2021-09-01.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2021-30354, published 2021-09-01. High severity, CVSS 8.6. 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…
• CVE-2021-30355, published 2021-09-01. High severity, CVSS 8.6. EPSS: 6.9% chance of exploitation in the next 30 days. Amazon Kindle e-reader prior to and including version 5.13.4 improperly manages privileges, allowing the framework user to elevate privileges to root.