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Advisories

mackron / dr_libs dr_flac.h Excessive Memory Allocation in PICTURE Metadata Parsing

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severity
medium
date
Affecting

  • dr_libs dr_flac.h <= 0.13.3, fixed in commits fefced4, 4f5a4cd, & 663239a

CWE
  • CWE-789 Memory Allocation with Excessive Size Value
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Ana Kapulica
Description
dr_libs dr_flac.h version 0.13.3 and earlier (fixed in commits fefced4, 4f5a4cd, and 663239a) contain an uncontrolled memory allocation vulnerability in drflac__read_and_decode_metadata() that allows attackers to trigger excessive memory allocation by supplying crafted PICTURE metadata blocks. Attackers can exploit attacker-controlled mimeLength and descriptionLength fields to cause denial of service through memory exhaustion when processing FLAC streams with metadata callbacks.

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