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Fencer Vulns
high 7.5

CVE-2022-38668 json

HTTP applications (servers) based on Crow through 1.0+4 may reveal potentially sensitive uninitialized data from stack memory when fulfilli…

published 2022-08-22 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-41237

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

HTTP applications (servers) based on Crow through 1.0+4 may reveal potentially sensitive uninitialized data from stack memory when fulfilling a request for a static file smaller than 16 KB.

Patch / fix

Exploit prediction

1.46% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gynvael.coldwind.pl https://gynvael.coldwind.pl/?id=752 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/0xhebi/CVEs/blob/main/Crow/CVE-2022-38668.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness
  • CWE-908 Use of Uninitialized Resource

References

Sources

Fencer Vulns 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.