CVE-2025-48988

Apache Tomcat: FileUpload large number of parts with headers DoS

HIGH
7.5
CVSS Score
Published: June 16, 2025 at 02:13 PM UTC
Updated: June 17, 2026 at 09:30 AM UTC
1 product affected across 1 vendorTomcat

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Severity
HIGH7.5
Exploit prediction
EPSS 30%
SSVC
No known exploit

Description

Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

10.1.0 ≤ v < 10.1.4210.1.0-M1 ≤ v ≤ 10.1.4111.0.0 ≤ v < 11.0.811.0.0-M1 ≤ v ≤ 11.0.78.5.0 ≤ v ≤ 8.5.1009.0.0 ≤ v < 9.0.1069.0.0.M1 ≤ v ≤ 9.0.10510.1.0-M111.0.0-M18.5.09.0.0.M1
Affected range stops below 10.1.42, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.0.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.106, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 10.0.0-M1 (unknown)
Vendor states this is fixed in 6 (unknown)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/06/16/1
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

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