CVE-2022-37454

Name: CVE-2022-37454
Creator: NVD / NIST
Published: 2022-10-21T06:15:09.333+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 5.19%

Last modified Jun 17, 2026

CVE-2022-37454 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 5.19% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

5.19%

91.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Extended Keccak Code Package Project	Extended Keccak Code Package	All versions
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36
Php	Php	>= 7.2.0, < 7.4.33
Php	Php	>= 8.0.0, < 8.0.25
Php	Php	>= 8.1.0, < 8.1.12
Python	Python	>= 3.6.0, < 3.7.16
Python	Python	>= 3.8.0, < 3.8.16
Python	Python	>= 3.9.0, < 3.9.16
Python	Python	>= 3.10.0, < 3.10.9
Sha3 Project	Sha3	< 1.0.5
Pysha3 Project	Pysha3	All versions
Pypy	Pypy	>= 7.0.0

References

https://csrc.nist.gov/projects/hash-functions/sha-3-projectThird Party Advisory, US Government Resource
https://eprint.iacr.org/2023/331
https://github.com/XKCP/XKCP/security/advisories/GHSA-6w4m-2xhg-2658Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00041.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00000.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3ALQ6BDDPX5HU5YBQOBMDVAA2TSGDKIJ/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMIEXLMTW5GO36HTFFWIPB3OHZXCT3G4/Mailing List, Third Party Advisory
https://mouha.be/sha-3-buffer-overflow/Exploit, Third Party Advisory
https://news.ycombinator.com/item?id=33281106Issue Tracking, Third Party Advisory
https://news.ycombinator.com/item?id=35050307
https://security.gentoo.org/glsa/202305-02
https://www.debian.org/security/2022/dsa-5267Third Party Advisory
https://www.debian.org/security/2022/dsa-5269Third Party Advisory
https://csrc.nist.gov/projects/hash-functions/sha-3-projectThird Party Advisory, US Government Resource
https://eprint.iacr.org/2023/331
https://github.com/XKCP/XKCP/security/advisories/GHSA-6w4m-2xhg-2658Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00041.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00000.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3ALQ6BDDPX5HU5YBQOBMDVAA2TSGDKIJ/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMIEXLMTW5GO36HTFFWIPB3OHZXCT3G4/Mailing List, Third Party Advisory
https://mouha.be/sha-3-buffer-overflow/Exploit, Third Party Advisory
https://news.ycombinator.com/item?id=33281106Issue Tracking, Third Party Advisory
https://news.ycombinator.com/item?id=35050307
https://security.gentoo.org/glsa/202305-02
https://security.netapp.com/advisory/ntap-20230203-0001/
https://www.debian.org/security/2022/dsa-5267Third Party Advisory
https://www.debian.org/security/2022/dsa-5269Third Party Advisory

Timeline

Published: Oct 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-37454?

How severe is CVE-2022-37454?

CVE-2022-37454 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.19% probability of exploitation in the next 30 days.

How do I fix CVE-2022-37454?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-37454?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST