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Vulnerabilities

Vulnerability · CVE-2022-37454

The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or…

Published Oct 21, 2022 · catalog updated Oct 14, 2026 · extended keccak code package project extended keccak code package

Last checked Oct 24, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2022-37454. EPSS is 7.41%. Act only if a listed version of extended keccak code package project extended keccak code package is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
7.41%
Remediation
Advisory link
Affected products
cpe debian/debian linux · cpe extended keccak code package project/extended keccak code package · cpe fedoraproject/fedora · cpe php/php · cpe pypy/pypy · cpe pysha3 project/pysha3

The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe debian/debian linux10.0
  • cpe debian/debian linux11.0
  • cpe extended keccak code package project/extended keccak code packageversion unspecified
  • cpe fedoraproject/fedora35
  • cpe fedoraproject/fedora36
  • cpe php/phpversion unspecified
  • cpe pypy/pypyversion unspecified
  • cpe pysha3 project/pysha3version unspecified
  • cpe python/pythonversion unspecified
  • cpe sha3 project/sha3version unspecified

How to fix CVE-2022-37454

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2022-37454. EPSS is 7.41%. Act only if a listed version of extended keccak code package project extended keccak code package is installed.

Which versions are affected?

Compare what you have installed with debian/debian linux 10.0; debian/debian linux 11.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-190: Integer Overflow. EPSS 7.41%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 21, 2022 · NIST NVD

    Detected

    The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface.

  2. Oct 14, 2026 · NIST NVD

    Updated

    The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface.

Sources

  • CVE.orgVulnerability recordCVE-2022-37454

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-37454

    30-day exploitation probability 7.41%

    first.org
  • NIST NVDVulnerability recordCVE-2022-37454

    The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 24, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 24, 2026
  • CVE.orgOct 16, 2026
  • NIST NVDOct 14, 2026