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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.
| Reporter | Title | Published | Views | Family All 199 |
|---|---|---|---|---|
 | libsndfile_project -- Integer overflow in dataend calculation | 18 Jul 202300:00 | – | freebsd |
 | CVE-2022-33065 | 18 Jul 202314:15 | – | attackerkb |
| CVE-2026-37555 | 29 Apr 202600:00 | – | attackerkb |
 | Amazon Linux 2023 : libsndfile, libsndfile-devel, libsndfile-utils (ALAS2023-2024-701) | 6 Aug 202400:00 | – | nessus |
| Amazon Linux 2 : libsndfile (ALAS-2024-2404) | 9 Jan 202400:00 | – | nessus |
| Alibaba Cloud Linux 3 : 0118: libsndfile (ALINUX3-SA-2024:0118) | 14 May 202500:00 | – | nessus |
| Alibaba Cloud Linux 3 : 0136: libsndfile (ALINUX3-SA-2026:0136) | 25 May 202600:00 | – | nessus |
| AlmaLinux 8 : libsndfile (ALSA-2026:19559) | 21 May 202600:00 | – | nessus |
| Azure Linux 3.0 Security Update: libsndfile (CVE-2022-33065) | 10 Feb 202500:00 | – | nessus |
| CentOS 8 : libsndfile (CESA-2024:3030) | 22 May 202400:00 | – | nessus |
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09 Jul 2026 21:38Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5 - 8.2
EPSS0.00504
SSVC