{"id":"CVE-2021-30354","aliases":["EUVD-2021-17285","GHSA-66c4-8x32-4mx8"],"status":"published","title":"Amazon Kindle e-reader prior to and including version 5.13.4 contains an Integer Overflow that...","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.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.08401,"percentile":0.95061,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190","CWE-680"],"published":"2021-09-01T17:43:38Z","modified":"2026-06-17T03:50:15Z","products":[{"vendor":"amazon","product":"kindle_firmware"}],"references":[{"url":"https://research.checkpoint.com/2021/i-can-take-over-your-kindle/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30354"},{"url":"https://github.com/advisories/GHSA-66c4-8x32-4mx8"}],"sources":{"cve":[{"id":"CVE-2021-30354","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.","status":"published","published":"2021-09-01T17:43:38Z","modified":"2024-08-03T22:32:41.028Z","cwes":["CWE-680"],"updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-17285","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.","status":"published","published":"2021-09-01T17:43:38Z","modified":"2024-08-03T22:32:41Z","updated_at":"2026-11-03T03:24:42.48986Z"}],"ghsa":[{"id":"GHSA-66c4-8x32-4mx8","title":"Amazon Kindle e-reader prior to and including version 5.13.4 contains an Integer Overflow that...","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.","status":"published","published":"2022-05-24T19:12:41Z","modified":"2023-01-30T05:01:52Z","cwes":["CWE-190"],"updated_at":"2026-11-02T14:46:30.304291Z"}],"nvd":[{"id":"CVE-2021-30354","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.","status":"published","published":"2021-09-01T18:15:09.053Z","modified":"2026-06-17T03:50:15.633Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-680","CWE-190"],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}