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Vulnerability Details :

CVE-2025-63938

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-26 Nov, 2025 | 00:00
Updated At-26 Nov, 2025 | 16:45
Rejected At-
Credits

Tinyproxy through 1.11.2 contains an integer overflow vulnerability in the strip_return_port() function within src/reqs.c.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:26 Nov, 2025 | 00:00
Updated At:26 Nov, 2025 | 16:45
Rejected At:
▼CVE Numbering Authority (CNA)

Tinyproxy through 1.11.2 contains an integer overflow vulnerability in the strip_return_port() function within src/reqs.c.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/tinyproxy/tinyproxy/issues/586
N/A
https://github.com/tinyproxy/tinyproxy/commit/3c0fde94981b025271ffa1788ae425257841bf5a
N/A
https://github.com/rayinaw/my-hub/blob/main/CVE-2025-63938/DISCLOSURE.md
N/A
Hyperlink: https://github.com/tinyproxy/tinyproxy/issues/586
Resource: N/A
Hyperlink: https://github.com/tinyproxy/tinyproxy/commit/3c0fde94981b025271ffa1788ae425257841bf5a
Resource: N/A
Hyperlink: https://github.com/rayinaw/my-hub/blob/main/CVE-2025-63938/DISCLOSURE.md
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-190CWE-190 Integer Overflow or Wraparound
Type: CWE
CWE ID: CWE-190
Description: CWE-190 Integer Overflow or Wraparound
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:26 Nov, 2025 | 17:15
Updated At:02 Jan, 2026 | 20:48

Tinyproxy through 1.11.2 contains an integer overflow vulnerability in the strip_return_port() function within src/reqs.c.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CPE Matches
tinyproxy_project
tinyproxy_project
>>tinyproxy>>Versions up to 1.11.2(inclusive)
cpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-190Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-190
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/rayinaw/my-hub/blob/main/CVE-2025-63938/DISCLOSURE.mdcve@mitre.org
Third Party Advisory
https://github.com/tinyproxy/tinyproxy/commit/3c0fde94981b025271ffa1788ae425257841bf5acve@mitre.org
Patch
https://github.com/tinyproxy/tinyproxy/issues/586cve@mitre.org
Exploit
Issue Tracking
Patch
Hyperlink: https://github.com/rayinaw/my-hub/blob/main/CVE-2025-63938/DISCLOSURE.md
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://github.com/tinyproxy/tinyproxy/commit/3c0fde94981b025271ffa1788ae425257841bf5a
Source: cve@mitre.org
Resource:
Patch
Hyperlink: https://github.com/tinyproxy/tinyproxy/issues/586
Source: cve@mitre.org
Resource:
Exploit
Issue Tracking
Patch

Change History

0
Information is not available yet

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CVSS Score-6.3||MEDIUM
EPSS-0.08% / 24.23%
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Published-12 Mar, 2026 | 19:33
Updated-18 Mar, 2026 | 16:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Cap'n Proto has an integer overflow in KJ-HTTP

Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, a negative Content-Length value was converted to unsigned, treating it as an impossibly large length instead. In theory, this bug could enable HTTP request/response smuggling. This vulnerability is fixed in 1.4.0.

Action-Not Available
Vendor-capnprotocapnproto
Product-capnprotocapnproto
CWE ID-CWE-190
Integer Overflow or Wraparound
CWE ID-CWE-444
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Details not found