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Vulnerability Details :

CVE-2025-7207

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-09 Jul, 2025 | 00:02
Updated At-09 Jul, 2025 | 13:08
Rejected At-
Credits

mruby nregs codegen.c scope_new heap-based overflow

A vulnerability, which was classified as problematic, was found in mruby up to 3.4.0-rc2. Affected is the function scope_new of the file mrbgems/mruby-compiler/core/codegen.c of the component nregs Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is 1fdd96104180cc0fb5d3cb086b05ab6458911bb9. It is recommended to apply a patch to fix this issue.

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:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:09 Jul, 2025 | 00:02
Updated At:09 Jul, 2025 | 13:08
Rejected At:
▼CVE Numbering Authority (CNA)
mruby nregs codegen.c scope_new heap-based overflow

A vulnerability, which was classified as problematic, was found in mruby up to 3.4.0-rc2. Affected is the function scope_new of the file mrbgems/mruby-compiler/core/codegen.c of the component nregs Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is 1fdd96104180cc0fb5d3cb086b05ab6458911bb9. It is recommended to apply a patch to fix this issue.

Affected Products
Vendor
n/a
Product
mruby
Modules
  • nregs Handler
Versions
Affected
  • 3.4.0-rc1
  • 3.4.0-rc2
Problem Types
TypeCWE IDDescription
CWECWE-122Heap-based Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-122
Description: Heap-based Buffer Overflow
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.13.3LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.03.3LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.01.7N/A
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Version: 3.0
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Version: 2.0
Base score: 1.7
Base severity: N/A
Vector:
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
JJLeo (VulDB User)
Timeline
EventDate
Advisory disclosed2025-07-07 00:00:00
VulDB entry created2025-07-07 02:00:00
VulDB entry last update2025-07-07 14:27:08
Event: Advisory disclosed
Date: 2025-07-07 00:00:00
Event: VulDB entry created
Date: 2025-07-07 02:00:00
Event: VulDB entry last update
Date: 2025-07-07 14:27:08
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.315156
vdb-entry
technical-description
https://vuldb.com/?ctiid.315156
signature
permissions-required
https://vuldb.com/?submit.607683
third-party-advisory
https://github.com/mruby/mruby/issues/6509
issue-tracking
https://github.com/mruby/mruby/issues/6509#event-17145516649
issue-tracking
https://github.com/user-attachments/files/19619499/mruby_crash.txt
exploit
https://github.com/mruby/mruby/commit/1fdd96104180cc0fb5d3cb086b05ab6458911bb9
patch
Hyperlink: https://vuldb.com/?id.315156
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.315156
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.607683
Resource:
third-party-advisory
Hyperlink: https://github.com/mruby/mruby/issues/6509
Resource:
issue-tracking
Hyperlink: https://github.com/mruby/mruby/issues/6509#event-17145516649
Resource:
issue-tracking
Hyperlink: https://github.com/user-attachments/files/19619499/mruby_crash.txt
Resource:
exploit
Hyperlink: https://github.com/mruby/mruby/commit/1fdd96104180cc0fb5d3cb086b05ab6458911bb9
Resource:
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
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/mruby/mruby/issues/6509
exploit
Hyperlink: https://github.com/mruby/mruby/issues/6509
Resource:
exploit
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:09 Jul, 2025 | 01:15
Updated At:10 Jul, 2025 | 13:18

A vulnerability, which was classified as problematic, was found in mruby up to 3.4.0-rc2. Affected is the function scope_new of the file mrbgems/mruby-compiler/core/codegen.c of the component nregs Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is 1fdd96104180cc0fb5d3cb086b05ab6458911bb9. It is recommended to apply a patch to fix this issue.

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
Secondary4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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
Secondary3.13.3LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Secondary2.01.7LOW
AV:L/AC:L/Au:S/C:N/I:N/A:P
Type: Secondary
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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
Type: Secondary
Version: 3.1
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Type: Secondary
Version: 2.0
Base score: 1.7
Base severity: LOW
Vector:
AV:L/AC:L/Au:S/C:N/I:N/A:P
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-119Secondarycna@vuldb.com
CWE-122Secondarycna@vuldb.com
CWE ID: CWE-119
Type: Secondary
Source: cna@vuldb.com
CWE ID: CWE-122
Type: Secondary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/mruby/mruby/commit/1fdd96104180cc0fb5d3cb086b05ab6458911bb9cna@vuldb.com
N/A
https://github.com/mruby/mruby/issues/6509cna@vuldb.com
N/A
https://github.com/mruby/mruby/issues/6509#event-17145516649cna@vuldb.com
N/A
https://github.com/user-attachments/files/19619499/mruby_crash.txtcna@vuldb.com
N/A
https://vuldb.com/?ctiid.315156cna@vuldb.com
N/A
https://vuldb.com/?id.315156cna@vuldb.com
N/A
https://vuldb.com/?submit.607683cna@vuldb.com
N/A
https://github.com/mruby/mruby/issues/6509134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/mruby/mruby/commit/1fdd96104180cc0fb5d3cb086b05ab6458911bb9
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/mruby/mruby/issues/6509
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/mruby/mruby/issues/6509#event-17145516649
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/user-attachments/files/19619499/mruby_crash.txt
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/?ctiid.315156
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/?id.315156
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/?submit.607683
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/mruby/mruby/issues/6509
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A

Change History

0
Information is not available yet

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