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

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-18 · updated 2026-10-19
Weakness: CWE-369

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.

Affected products

True Audio libtta: through 2.3

References

https://github.com/gchudov/libtta
https://github.com/gchudov/libtta/blob/af8dc48ce859e98842ab1a3eec98416d22a5199e/libtta.c#L602-L605
https://hackmd.io/@haindpwn/libtta-seek-table-count-overflow-oob-write
https://sourceforge.net/projects/tta/
https://www.vulncheck.com/advisories/libtta-through-2.3-divide-by-zero-via-tta-decoder-init-get-info

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