PYSEC-2026-1909 Sentencepiece has a a heap overflow issue

Invalid memory access in Sentencepiece versions less than 0.2.1 when using a vulnerable model file, which is not created in the normal training procedure...

CVE-2026-1260

CVE-2026-1260 affects Sentencepiece: invalid memory access in versions

PT-2026-4204

Name of the Vulnerable Software and Affected Versions Sentencepiece versions prior to 0.2.1 Description An invalid memory access issue exists in Sentencepiece when processing a specially crafted model file that was not generated through standard training procedures. This can lead to a crash or...