Improper Validation of Specified Quantity in Input Affecting com.tdunning:t-digest package, versions [3.1,]
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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Test your applications- Snyk IDSNYK-JAVA-COMTDUNNING-19778375
- published14 Sept 2026
- disclosed10 Sept 2026
- creditYu Bao
Introduced: 10 Sep 2026
NewCVE-2026-87962 (opens in a new tab)How to fix?
There is no fixed version for com.tdunning:t-digest.
Overview
Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input due to unvalidated length and capacity fields in MergingDigest.fromBytes in core/src/main/java/com/tdunning/math/stats/MergingDigest.java. An attacker can abort the parsing thread by supplying crafted serialized digests with mismatched header values that trigger ArrayIndexOutOfBoundsException or NegativeArraySizeException. When an application deserializes untrusted digest data with an affected t-digest, the malformed input causes the reader to fail before completing the parse. This can disrupt services that accept or exchange serialized digests, leaving requests unprocessed and the component handling the data unavailable.