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Fencer Intel
low —

GHSA-4ph6-mjv7-3fq6 json

netfoil vulnerable to improper handling of untrusted DoH response data

published 2mo ago modified 2mo ago also GO-2026-6277

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
—
no score, EPSS covers CVEs only
public exploits
0
none known

Summary

### Summary HTTPS RR data returned from the DoH server was not properly handled. Unverified APLN data (which could contain arbitrary byte sequences) was written directly to the log. It could also cause unnecessary memory usage. The single-byte response code was also written directly to the log.

Patch / fix

  • go github.com/tinfoil-factory/netfoil 0.5.0

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Affected packages

ecosystem package affected fixed in
go github.com/tinfoil-factory/netfoil
<0.5.0
0.5.0

Classification

Weakness
  • CWE-117 Improper Output Neutralization for Logs

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.