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TI-2025-06568 Aliases CVE-2025-7208GHSA-2ff5-v85j-347q

9fans plan9port x509.c edump heap-based overflow

Priority MEDIUM 56CWE-119Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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 leads to heap-based buffer overflow. 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 b3e06559475b0130a7a2fb56ac4d131d13d2012f. It is recommended to apply a patch to fix this issue.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00691 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
9fansplan9port9da5b44—No fix listedCNA
  • plan9port Vendor9fans Affected 9da5b44 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:9fans:plan9port:*:*:*:*:*:*:*:*up to 2025-03-29Vulnerable9fans
  • cpe:2.3:a:9fans:plan9port:*:*:*:*:*:*:*:* Versions up to 2025-03-29 Vulnerable ·9fans

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-7208
  2. 2026-10-03 Alias added: GHSA-2ff5-v85j-347q
  3. 2026-10-11 EPSS moved to the 50th–90th percentile

References

  • TI-2025-06569 9fans plan9port x509.c value_decode null pointer dereference CVSS 4.0MEDIUM 4.8

Sources