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

> Attackers can crash applications using libtta by providing a crafted audio file with a zero sample rate, causing a divide-by-zero error.

- **Severity:** Medium 6.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 18 Oct 2026
- **Updated:** 19 Oct 2026
- **Also known as:** GHSA-phg4-99g6-v62p

## What is CVE-2026-112013?

CVE-2026-112013 is a medium-severity denial of service vulnerability in True Audio libtta, published on 18 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official 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.

Weakness: CWE-369 (Divide By Zero)

## Which versions are affected by CVE-2026-112013?


## How do I fix CVE-2026-112013?

No fix has been published for CVE-2026-112013 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-112013 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112013 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-112013 and fix it if it is affected.

What it is: CVE-2026-112013 is a medium-severity denial of service vulnerability in True Audio libtta, published on 18 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112013 exists.

Affected product: True Audio libtta. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-112013/ (Markdown: https://insights.sbomify.com/CVE-2026-112013/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-112013
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-112013
- OSV: https://osv.dev/vulnerability/CVE-2026-112013

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-112013/
Summaries are generated and may contain mistakes; the official description above is the record.