Divide-by-Zero Vulnerability in Libtta Affects Applications
CVE-2026-112013

6.8MEDIUM

Key Information:

Vendor

True Audio

Status
Libtta
Vendor
CVE Published:
18 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-112013?

Libtta versions up to 2.3 contain a divide-by-zero vulnerability within the function tta_decoder_init_get_info(). This flaw can be exploited by attackers to crash various applications, including the bundled tta console tool, by supplying a .tta file with an unvalidated zero sample rate. The attacker can manipulate the header CRC32, leading to a SIGFPE signal and subsequent application failure.

Affected Version(s)

libtta 0 <= 2.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-112013 - Proof of Concept

References

https://hackmd.io/@haindpwn/libtta-seek-table-count-overf...
technical-descriptionexploit
https://github.com/gchudov/libtta/blob/af8dc48ce859e98842...
technical-description
https://sourceforge.net/projects/tta/
product

CVSS V4

Score:
6.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

HaiND from the Post and Telecommunication Institute of Technology
.