Vulnerability Information
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Vulnerability Title
libheif allows Out-of-bounds vector access leading to invalid dereference (DoS)
Vulnerability Description
libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and prior, a malformed HEIF sequence file can trigger an out-of-bounds read in core sequence parsing logic, causing DoS. A malformed file can have stco.entry_count == 0 (creating no chunks) while still passing validation because saio.entry_count == 0 matches, but with saiz.sample_count > 0 the SampleAuxInfoReader constructor still enters its loop. This leads to an out-of-bounds dereference on the empty chunks[0] in chunked mode.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Vulnerability Type
跨界内存读
Vulnerability Title
libheif 代码问题漏洞
Vulnerability Description
libheif是struktur开源的一款 ISO/IEC 23008-12:2017 HEIF 文件格式解码器和编码器。 libheif 1.21.2及之前版本存在代码问题漏洞,该漏洞源于核心序列解析逻辑中格式错误的HEIF序列文件可触发越界读取,导致拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A