How many CVEs does typelevel fs2 have?

typelevel fs2 has 2 published CVE records since 2022.

How many typelevel fs2 CVEs are in CISA KEV?

None of typelevel fs2's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Are there public exploits for typelevel fs2 vulnerabilities?

Yes — 1 of typelevel fs2's CVEs have a known public exploit.

Which versions of typelevel fs2 are affected?

147 distinct typelevel fs2 versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.

What are the most common weakness types in typelevel fs2 CVEs?

typelevel fs2's CVEs most often map to these CWE weakness types: CWE-295 (Improper Certificate Validation), CWE-400 (Uncontrolled Resource Consumption).

How many critical typelevel fs2 vulnerabilities are there?

typelevel fs2 has 1 critical and 0 high-severity CVEs.

What is the average severity of typelevel fs2 CVEs?

The average CVSS base score across typelevel fs2's scored CVEs is 7.5.

typelevel fs2 Vulnerabilities: CVEs, CISA KEV & Security Advisories

Affected versions and CVEs

Browse every typelevel fs2 version named in a CVE, then pick one to see only the CVEs that affect it.

Specific versions

3.1.02 CVEs
3.1.12 CVEs
3.1.22 CVEs
3.1.42 CVEs
3.1.52 CVEs
3.1.62 CVEs
3.2.02 CVEs
3.2.12 CVEs
3.2.102 CVEs
3.2.22 CVEs
3.2.32 CVEs
3.2.42 CVEs
3.2.52 CVEs
3.2.62 CVEs
3.2.72 CVEs
3.2.82 CVEs
3.2.92 CVEs
< 2.5.131 CVE
>= 3.0.0-M1, < 3.12.21 CVE
>= 3.13.0-M1, < 3.13.0-M71 CVE
0.10.01 CVE
0.10.0-M11 CVE
0.10.0-M101 CVE
0.10.0-M111 CVE
0.10.0-M21 CVE
0.10.0-M31 CVE
0.10.0-M41 CVE
0.10.0-M51 CVE
0.10.0-M61 CVE
0.10.0-M71 CVE
0.10.0-M81 CVE
0.10.0-M91 CVE
0.10.0-RC11 CVE
0.10.0-RC21 CVE
0.10.11 CVE
0.10.21 CVE
0.9.01 CVE
0.9.0-M11 CVE
0.9.0-M21 CVE
0.9.0-M31 CVE
0.9.0-M41 CVE
0.9.0-M51 CVE
0.9.0-M61 CVE
0.9.0-RC11 CVE
0.9.0-RC21 CVE
0.9.11 CVE
1.0.01 CVE
1.0.0-M11 CVE
1.0.0-M21 CVE
1.0.0-M31 CVE
1.0.0-M41 CVE
1.0.0-M51 CVE
1.0.0-RC11 CVE
1.0.0-RC21 CVE
1.0.11 CVE
1.0.21 CVE
1.0.31 CVE
1.0.41 CVE
1.1.0-M11 CVE
1.1.0-M21 CVE
2.0.01 CVE
2.0.11 CVE
2.1.01 CVE
2.2.01 CVE
2.2.11 CVE
2.2.21 CVE
2.3.01 CVE
2.4.01 CVE
2.4.11 CVE
2.4.21 CVE
2.4.31 CVE
2.4.41 CVE
2.5.01 CVE
2.5.0-M11 CVE
2.5.0-M21 CVE
2.5.0-M31 CVE
2.5.0-RC11 CVE
2.5.11 CVE
2.5.101 CVE
2.5.111 CVE
2.5.121 CVE
2.5.21 CVE
2.5.31 CVE
2.5.41 CVE
2.5.51 CVE
2.5.61 CVE
2.5.71 CVE
2.5.81 CVE
2.5.91 CVE
3.0.01 CVE
3.0.0-M11 CVE
3.0.0-M21 CVE
3.0.0-M31 CVE
3.0.0-M41 CVE
3.0.0-M51 CVE
3.0.0-M61 CVE
3.0.0-M71 CVE
3.0.0-M81 CVE
3.0.0-M91 CVE
3.0.11 CVE
3.0.21 CVE
3.0.31 CVE
3.0.41 CVE
3.0.51 CVE
3.0.61 CVE
3.10.01 CVE
3.10.11 CVE
3.10.21 CVE
3.11.01 CVE
3.12.01 CVE
3.12.0-RC21 CVE
3.12.11 CVE
3.13.0-M11 CVE
3.13.0-M21 CVE
3.13.0-M31 CVE
3.13.0-M41 CVE
3.13.0-M51 CVE
3.13.0-M61 CVE
3.2.121 CVE
3.2.131 CVE
3.2.141 CVE
3.3.01 CVE
3.4.01 CVE
3.5.01 CVE
3.6.01 CVE
3.6.11 CVE
3.7.01 CVE
3.7.0-RC21 CVE
3.7.0-RC31 CVE
3.7.0-RC41 CVE
3.7.0-RC51 CVE
3.8.01 CVE
3.9.01 CVE
3.9.11 CVE
3.9.21 CVE
3.9.31 CVE
3.9.41 CVE
redesign-complex-interpreter1 CVE
release/0.51 CVE
release/0.71 CVE

Version ranges

>= 3.1.0, < 3.2.111 CVE
3.1.0 <= v < 3.2.111 CVE

Fixed in

3.2.111 CVE
46e2dc3abf994dcf3d0b804b2ddb3c10c04d49761 CVE
47bced431dcad2aa2efb5f60493b26a3aa05ca7e1 CVE
55b55dbe3199abecd79e739048d5c5046cd65b7a1 CVE
edf0c4f2e660360d1c1a8c5377ce32294de892381 CVE

Find a version

2 CVEs

Sort

fs2: Half-shutdown of socket during TLS handshake may result in spin loop on opposite side
CVE-2025-58369
Patch
CWE-400
Medium · CVSS 5.3
EPSS 0.4% (33th pct)2025-09-05
Critical vulnerability · 2022-08-01
CVE-2022-31183
Public exploit
Patch
CWE-295
Critical · CVSS 9.8
EPSS 0.6% (47th pct)2022-08-01

typelevel fs2 Vulnerabilities

Overview

Severity and exploitation

Affected versions and CVEs

Specific versions

Version ranges

Fixed in

Common weakness types

Disclosure activity by year

Other typelevel products

Frequently asked questions

References

Track typelevel fs2 vulnerabilities