Inefficient Boundary Matching Vulnerability in MultipartInputStream by CISA
CVE-2026-101021

8.7HIGH

Key Information:

Vendor

J4care

Status
Dcm4chee-arc-light
Vendor
CVE Published:
16 October 2026

What is CVE-2026-101021?

The MultipartInputStream component is susceptible to a vulnerability that involves inefficient boundary matching and unnecessary buffer copying. Attackers may exploit this flaw by crafting multipart input that induces excessive boundary comparisons and repeated copying operations, potentially leading to performance degradation and resource exhaustion.

Affected Version(s)

dcm4chee-arc-light 5.35.1

dcm4chee-arc-light 5.35.2

References

https://www.cisa.gov/news-events/ics-medical-advisories/i...
https://github.com/cisagov/CSAF/blob/develop/csaf_files/O...

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abhinav Agarwal reported this vulnerability to CISA.
.