Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-37454

34
FAUCET Score

CVE-2022-37454 is a critical integer overflow and resultant buffer overflow vulnerability in the Keccak XKCP SHA-3 reference implementation, affecting products such as Debian, Fedora, PHP, Python, and PyPy. This flaw, residing in the sponge function interface, allows unauthenticated remote attackers to execute arbitrary code or compromise cryptographic properties. With a CVSS score of 9.8 (CRITICAL), it presents a high-impact threat due to its network-based attack vector and low complexity. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion and media attention, indicating a recognized risk.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:extended_keccak_code_package_project:extended_keccak_code_package:-:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.19%
Probability of exploitation in next 30 days
EPSS Percentile
91.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0519 is in the 86th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (19)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 16974-16820Fixed in: 3.7.13-5
microsoftpatch availablevia msrc
Product: 18538-16823Fixed in: 3.9.14-5
microsoftpatch availablevia msrc
Product: 18539-16823Fixed in: 8.1.12-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 8.1.12-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 3.7.13-5
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 3.7.13-5
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 8.1.12-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 3.9.14-5
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 3.9.14-5
microsoftpatch availablevia msrc
Product: cm1 python3 3.7.13-5 on CBL Mariner 1.0Fixed in: 3.7.13-5
microsoftpatch availablevia msrc
Product: cbl2 python3 3.9.14-5 on CBL Mariner 2.0Fixed in: 3.9.14-5
microsoftpatch availablevia msrc
Product: cbl2 php 8.1.12-1 on CBL Mariner 2.0Fixed in: 8.1.12-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: php:8.0-8070020230118114629.ef331662
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: php:7.4-8080020230118140634.cc342424
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: php-0:8.0.27-1.el9_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: php:8.1-9020020230120141750.9
View patch
rubygemspatch availablevia ghsa
Product: sha3Fixed in: 1.0.5
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-php73-php

Vendor Advisories (4)

pipGHSA-6w4m-2xhg-2658critical

Buffer overflow in sponge queue functions

Apr 26, 2023
microsoft2022-Nov/CVE-2022-37454

CVE-2022-37454

Nov 8, 2022
redhatCVE-2022-37454Important

XKCP: buffer overflow in the SHA-3 reference implementation

Oct 20, 2022
microsoft2022-Oct/CVE-2022-37454Critical

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.

Oct 11, 2022

References

security.netapp.com / advisory/ntap-20230203-0001
csrc.nist.gov / projects/hash-functions/sha-3-project
Third Party AdvisoryUS Government Resource
eprint.iacr.org / 2023/331
github.com / XKCP/XKCP/security/advisories/GHSA-6w4m-2xhg-2658
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2022/10/msg00041.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2022/11/msg00000.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/3ALQ6BDDPX5HU5YBQOBMDVAA2TSGDKIJ
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/CMIEXLMTW5GO36HTFFWIPB3OHZXCT3G4
Mailing ListThird Party Advisory
mouha.be / sha-3-buffer-overflow
ExploitThird Party Advisory
news.ycombinator.com / item
Issue TrackingThird Party Advisory
news.ycombinator.com / item
security.gentoo.org / glsa/202305-02
debian.org / security/2022/dsa-5267
Third Party Advisory
debian.org / security/2022/dsa-5269
Third Party Advisory