Threats Tagged 'cve-2026-37555'

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An integer overflow vulnerability (CVE-2026-37555) exists in the libsndfile library's ima_reader_init() function. libsndfile is a C library used for reading and writing sampled sound files such as AIFF, AU, and WAV. This vulnerability affects Red Hat Enterprise Linux 10.0 Extended Update Support and related CodeReady Linux Builder variants. Red Hat has issued a security advisory with an update that addresses this issue. The vulnerability is rated as having an important security impact by Red Hat Product Security.

An issue was discovered in libsndfile 1.2.2 IMA ADPCM codec. The AIFF code path (line 241) was fixed with (sf_count_t) cast, but the WAV code path (line 235) and close path (line 167) were not. When samplesperblock (int) * blocks (int) exceeds INT_MAX, the 32-bit multiplication overflows before being assigned to sf.frames (sf_count_t/int64). With samplesperblock=50000 and blocks=50000, the product 2500000000 overflows to -1794967296. This causes incorrect frame count leading to heap buffer overflow or denial of service. Both values come from the WAV file header and are attacker-controlled. This issue was discovered after an incomplete fix for CVE-2022-33065.

A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations, potentially causing a denial of service (application crash) or arbitrary code execution.