High severity7.5NVD Advisory· Published Sep 10, 2026· Updated Sep 10, 2026
CVE-2026-87962
CVE-2026-87962
Description
t-digest versions 3.1 through 3.3 contain a denial of service vulnerability in MergingDigest.fromBytes that fails to validate length and capacity fields from serialized data. Attackers can supply crafted serialized digests with mismatched header fields to trigger ArrayIndexOutOfBoundsException or NegativeArraySizeException, aborting the parsing thread.
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Affected products
2Patches
Vulnerability mechanics
References
3- github.com/tdunning/t-digest/blob/7905f3d2ad18e7d7176811147d1316a3e23d7061/core/src/main/java/com/tdunning/math/stats/MergingDigest.javanvd
- github.com/tdunning/t-digest/issues/227nvd
- www.vulncheck.com/advisories/t-digest-3.1-through-3.3-denial-of-service-via-unvalidated-length-fields-in-mergingdigest-frombytesnvd
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