CVE-2026-87962 t-digest - Denial of Service

t-digest 3.1 through 3.3 contains a denial of service caused by lack of validation of length and capacity fields in MergingDigest.fromBytes, letting attackers supply crafted serialized digests to abort parsing thread, exploit requires crafted serialized input.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.63% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
10 September 2026
Updated
15 October 2026
Weakness
CWE-1284

Vendor fix

Update to the latest version beyond 3.3.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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