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CVE-2023-42447

19
FAUCET Score

CVE-2023-42447 is a high-severity vulnerability (CVSS 7.5) in blurhash-rs versions prior to 0.2.0, a Rust library for encoding images into Blurhash strings, and affects products like Whisperfish. It allows an unauthenticated attacker to trigger a denial of service (DoS) by providing a maliciously crafted Blurhash string, leading to out-of-bounds access and application panic. There are no known workarounds, but a patch is available in version 0.2.0, requiring user intervention due to API changes. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.1.1CPE matchmatch criteria
cpe:2.3:a:whisperfish:blurhash-rs:0.1.1:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
40.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 19th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (2)

rustpatch availablevia ghsa
Product: blurhashFixed in: 0.2.0
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

rustGHSA-cxvp-82cq-57h2high

blurhash panics on parsing crafted inputs

Sep 21, 2023

References

github.com / whisperfish/blurhash-rs/security/advisories/GHSA-cxvp-82cq-57h2
Vendor Advisory