9fans plan9port up to 9da5b44 x509.c edump heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.09

Summaryinfo

A vulnerability marked as critical has been reported in 9fans plan9port up to 9da5b44. This vulnerability affects the function edump in the library /src/plan9port/src/libsec/port/x509.c. Performing a manipulation results in heap-based overflow. This vulnerability was named CVE-2025-7208. In addition, an exploit is available. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. Applying a patch is the recommended action to fix this issue. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability was found in 9fans plan9port up to 9da5b44. It has been classified as critical. This affects the function edump in the library /src/plan9port/src/libsec/port/x509.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at drive.google.com. This vulnerability is uniquely identified as CVE-2025-7208. The exploitability is told to be easy. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Applying the patch b3e06559475b0130a7a2fb56ac4d131d13d2012f is able to eliminate this problem. The bugfix is ready for download at git.9front.org.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-20766). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: b3e06559475b0130a7a2fb56ac4d131d13d2012f

Timelineinfo

04/02/2024 🔍
04/02/2024 +0 days 🔍
02/02/2026 +671 days 🔍

Sourcesinfo

Product: github.com

Advisory: drive.google.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2025-7208 (🔍)
GCVE (CVE): GCVE-0-2025-7208
GCVE (VulDB): GCVE-100-259053
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/02/2024 06:47 PM
Updated: 02/02/2026 05:18 PM
Changes: 04/02/2024 06:47 PM (55), 07/07/2025 02:50 PM (14), 07/09/2025 04:29 AM (1), 07/09/2025 02:27 PM (30), 02/02/2026 05:18 PM (12)
Complete: 🔍
Cache ID: 18:7A3:40

Submitinfo

Accepted

  • Submit #304567: plan9port plan9port commit be7c68f6954f7dcaa53403e0f600716f65a13d32 heap-buffer-overflow (by drive.google.com)

Duplicate

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