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CVE-2026-101021

J4Care dcm4che Inefficient Algorithmic Complexity

High8.7EPSS 0.38%
Published
Updated
Reserved
Assigned by
icscert

Description

MultipartInputStream performs inefficient boundary matching and unnecessary buffer copying. Crafted multipart input can force excessive boundary comparisons and repeated copying.

Scores

CVSS scores of CVE-2026-101021, by who scored it
Scored byCVSSScoreVector
icscertCNA (assigner)4.0High8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
icscertCNA (assigner)3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Deferred4.0High8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.38% · top 68% of all CVEs (3 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.

Weakness

Affected products

What to do

Solution: J4Care has provided a fix for the vulnerability. J4Care recommends users implement release 5.35.2 or later.

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .