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.
- 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
- None listed
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
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.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-112013 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112013 exists.
Sources
Also known as GHSA-phg4-99g6-v62p.