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CVE-2022-1642

25
FAUCET Score

CVE-2022-1642 is a denial-of-service vulnerability affecting programs using swift-corelibs-foundation on Linux and Windows. It arises from a type mismatch during JSON deserialization when a malicious JSON document with a floating-point number is provided where an integer is expected. This vulnerability has a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low attack complexity, leading to a complete loss of availability. While there are no known active exploits or publicly available exploit code, and minimal community discussion, the attack is low-effort and can cause deterministic crashes. Organizations should update to Swift 5.6.2 for Linux and Windows to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.6.2CPE matchmatch criteria
cpe:2.3:a:apple:swift:*:*:*:*:*:linux:*:*
< 5.6.2CPE matchmatch criteria
cpe:2.3:a:apple:swift:*:*:*:*:*:windows:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 22nd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

djangopatch availablevia llm_extracted
Fixed in: 5.6.2
falcopatch availablevia llm_extracted
Fixed in: 5.6.2
swiftpatch availablevia ghsa
Product: github.com/apple/swift-corelibs-foundationFixed in: 5.6.2

Vendor Advisories (3)

swiftGHSA-239c-6cv2-wwx8high

Swift-corelibs-foundation denial of service in JSON decoding with JSONDecoder

Jun 7, 2023
falcollm-falco-f85b7354ad241b44

Denial of service in swift-corelibs-foundation due to type mismatch in JSON deserialization.

djangollm-django-cbd708105fddee43

CVE-2022-1642

References

github.com / apple/swift-corelibs-foundation/security/advisories/GHSA-239c-6cv2-wwx8
Third Party Advisory