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CVE-2026-112013— libtta through 2.3 Divide by Zero via tta_decoder_init_get_info

Quick assessment

Affected
True Audio libtta
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.

libtta 2.3 及更早版本中存在一个除以零漏洞，位于 函数中。攻击者可通过提供未经验证的零采样率，触发应用程序崩溃。攻击者可构造一个包含重新计算的头部 CRC32 的 文件，从而引发 SIGFPE 信号，导致包括随附的 tta 控制台工具在内的应用程序崩溃。

CVSS 5.5 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
True Audio libtta ≤ 2.3 affected
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I. Basic Information for CVE-2026-112013

Vulnerability Information
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Vulnerability Title
libtta through 2.3 Divide by Zero via tta_decoder_init_get_info
Source: CVE Program / CVE List V5
Vulnerability Description
libtta through 2.3 contains a divide-by-zero vulnerability in tta_decoder_init_get_info() that allows attackers to crash applications by supplying an unvalidated zero sample rate. Attackers can craft a .tta file with a recomputed header CRC32 that triggers SIGFPE, crashing applications including the bundled tta console tool.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
除零错误
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
True Audio libtta 0 ~ 2.3 -

II. Public POCs for CVE-2026-112013

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III. Intelligence Information for CVE-2026-112013

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Vendor Advisories for CVE-2026-112013 (1)

Proof of Concept for CVE-2026-112013 (1)

Other References for CVE-2026-112013 (1)

Same Patch Batch · True Audio · 2026-10-18 · 3 CVEs total

CVE-2026-112012 5.3 MEDIUM libtta through 2.3 Stack Out-of-Bounds Write via Zero Channel Count
CVE-2026-112011 5.3 MEDIUM libtta through 2.3 Integer Overflow via tta_decoder_init_get_info Seek Table

IV. Related Vulnerabilities

Same product: libtta
Same vendor: True Audio
Same weakness: CWE-369

V. Comments for CVE-2026-112013

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