CVE-2025-7209

LOW EPSS 9.9%
Published Jul 9, 202511mo ago · Modified Jun 17, 20261w ago
1.9 CVSS 4.0
Low
Find Similar
Published Jul 9, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
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
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
9.9% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-404
CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 1

VendorProductVersionRange
9fansplan9port* ≤2025-03-29

References 7

  • git.9front.org https://git.9front.org/plan9front/plan9front/deae8939583d83fd798fca97665e0e94656c3ee8/commit.html
    Patch
  • github.com https://github.com/9fans/plan9port/issues/711
    ExploitIssue TrackingPatchVendor Advisory
  • github.com https://github.com/9fans/plan9port/issues/711#issuecomment-2819905220
    Patch
  • github.com https://github.com/user-attachments/files/19698361/plan9port_crash_2.txt
    Exploit
  • vuldb.com https://vuldb.com/?ctiid.315157
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.315157
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.607685
    Third Party AdvisoryVDB Entry

Remediation

  • git.9front.org https://git.9front.org/plan9front/plan9front/deae8939583d83fd798fca97665e0e94656c3ee8/commit.html
    Patch
  • github.com https://github.com/9fans/plan9port/issues/711
    ExploitIssue TrackingPatchVendor Advisory
  • github.com https://github.com/9fans/plan9port/issues/711#issuecomment-2819905220
    Patch