Heap-based Buffer Overflow Affecting sentencepiece package, versions [,0.2.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published25 Jan 2026
- disclosed22 Jan 2026
- creditUnknown
Introduced: 22 Jan 2026
CVE-2026-1260 (opens in a new tab)How to fix?
Upgrade sentencepiece to version 0.2.1 or higher.
Overview
sentencepiece is an Unsupervised text tokenizer and detokenizer.
Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the processing of a malicious model file. An attacker can cause the application to access invalid memory regions by supplying a model file that contains an invalid precompiled normalization model.