CVE-2019-17263

LowCVSS 3.3/10Last modified Jun 17, 2026

Description

In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers values less than 6, even though values of 6 and 7 are also unsupported. NOTE: the vendor has disputed this as described in the GitHub issue

Metrics

CVSS 3.1 3.3/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published: Oct 6, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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