CVE-2026-87962

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.

Scoring

Severity
HIGH
CVSS base score
8.7
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
CWE-1284
Published
2026-09-10
Last modified
2026-09-10

Affected products

Weakness type

Related vulnerabilities

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