Vulnerability in True Audio Libtta
CVE-2026-112013
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.
Published .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haindpwn/libtta-seek-table-count-overflow-oob-write (technical-description, exploit)
- github.com/gchudov/libtta/blob/af8dc48ce859e98842ab1a3eec98416d22a5199e/libtta.c (technical-description)
- sourceforge.net/projects/tta/ (product)
- github.com/gchudov/libtta (product)
- www.vulncheck.com/advisories/libtta-through-2.3-divide-by-zero-via-tta-decoder-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-112013?
- CVE-2026-112013 is a medium-severity vulnerability in True Audio Libtta, classified under Divide By Zero. CVSS score: 5.5/10. Published 2026-10-18.
- How severe is CVE-2026-112013?
- Medium severity. CVSS v3 base score is 5.5 out of 10.