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CVE-2023-23625

23
FAUCET Score

CVE-2023-23625 affects the go-unixfs library, where processing malformed HAMT sharded directories can lead to panics and virtual memory leaks. This vulnerability, stemming from bogus 'fanout' parameters, carries a CVSS score of 7.5 (High) due to its network-based attack vector, low complexity, and high availability impact, potentially causing denial of service. While no active exploitation, public exploit code, or significant community discussion has been observed, users are advised to upgrade to version 0.4.3 or avoid processing untrusted input with decoding functions.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.4.3CPE matchmatch criteria
cpe:2.3:a:protocol:go-unixfs:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.68%
Probability of exploitation in next 30 days
EPSS Percentile
48.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0067 is in the 25th 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/ipfs/go-unixfsFixed in: 0.4.3

Vendor Advisories (1)

goGHSA-q264-w97q-q778medium

Denial of service via HAMT Decoding Panics

Feb 10, 2023

References

github.com / ipfs/go-unixfs/commit/467d139a640ecee4f2e74643dafcc58bb3b54175
Patch
github.com / ipfs/go-unixfs/security/advisories/GHSA-q264-w97q-q778
Vendor Advisory