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CVE-2026-37555

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

libsndfile是libsndfile开源的一款用于读取和写入包含采样音频数据的声音文件的AC库。 libsndfile 1.2.2版本存在输入验证错误漏洞，该漏洞源于IMA ADPCM编解码器中整数溢出，可能导致堆缓冲区溢出或拒绝服务。

AI Predicted 8.1 Difficulty: Easy EPSS 0.50% · P42

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-37555

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
libsndfile 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libsndfile是libsndfile开源的一款用于读取和写入包含采样音频数据的声音文件的AC库。 libsndfile 1.2.2版本存在输入验证错误漏洞，该漏洞源于IMA ADPCM编解码器中整数溢出，可能导致堆缓冲区溢出或拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-37555

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III. Intelligence Information for CVE-2026-37555

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Patches & Fixes for CVE-2026-37555 (1)

Proof of Concept for CVE-2026-37555 (1)

Other References for CVE-2026-37555 (1)

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IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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