A vulnerability has been found in 9fans plan9port up to 9da5b44 and classified as problematic. Affected by this vulnerability is the function value_decode in the library src/libsec/port/x509.c. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The identifier of the patch is deae8939583d83fd798fca97665e0e94656c3ee8. It is recommended to apply a patch to fix this issue.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00019.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
9fans
  • Plan9port

No data.

No data.

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Vendors Products
9fans
  • Plan9port
Advisories
Source ID Title
EUVD EUVD EUVD-2025-20761 A vulnerability has been found in 9fans plan9port up to 9da5b44 and classified as problematic. Affected by this vulnerability is the function value_decode in the library src/libsec/port/x509.c. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The identifier of the patch is deae8939583d83fd798fca97665e0e94656c3ee8. It is recommended to apply a patch to fix this issue.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.9front.org/plan9front/plan9front/deae8939583d83fd798fca97665e0e94656c3ee8/commit.html cve-icon cve-icon
https://github.com/9fans/plan9port/issues/711 cve-icon cve-icon
https://github.com/9fans/plan9port/issues/711#issuecomment-2819905220 cve-icon cve-icon
https://github.com/user-attachments/files/19698361/plan9port_crash_2.txt cve-icon cve-icon
https://vuldb.com/?ctiid.315157 cve-icon cve-icon
https://vuldb.com/?id.315157 cve-icon cve-icon
https://vuldb.com/?submit.607685 cve-icon cve-icon
History

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00013}

 epss

{'score': 0.00014}

Wed, 09 Jul 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 09 Jul 2025 01:15:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in 9fans plan9port up to 9da5b44 and classified as problematic. Affected by this vulnerability is the function value_decode in the library src/libsec/port/x509.c. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The identifier of the patch is deae8939583d83fd798fca97665e0e94656c3ee8. It is recommended to apply a patch to fix this issue.
Title 9fans plan9port x509.c value_decode null pointer dereference
Weaknesses CWE-404
CWE-476
References
Metrics cvssV2_0

{'score': 1.7, 'vector': 'AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 3.3, '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'}

cvssV3_1

{'score': 3.3, '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'}

cvssV4_0

{'score': 4.8, '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-07-09T17:04:07.666Z

Reserved: 2025-07-07T12:47:19.575Z

Link: CVE-2025-7209

cve-icon Vulnrichment

Updated: 2025-07-09T17:03:53.380Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-07-09T01:15:50.773

Modified: 2025-07-10T13:18:53.830

Link: CVE-2025-7209

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-13T22:31:24Z