Medium severity5.9NVD Advisory· Published Feb 9, 2023· Updated Jun 17, 2026
CVE-2023-23625
CVE-2023-23625
Description
go-unixfs is an implementation of a unix-like filesystem on top of an ipld merkledag. Trying to read malformed HAMT sharded directories can cause panics and virtual memory leaks. If you are reading untrusted user input, an attacker can then trigger a panic. This is caused by bogus fanout parameter in the HAMT directory nodes. Users are advised to upgrade to version 0.4.3 to resolve this issue. Users unable to upgrade should not feed untrusted user data to the decoding functions.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/ipfs/go-unixfsGo | < 0.4.3 | 0.4.3 |
Affected products
3- Range: < 0.4.3
Patches
Vulnerability mechanics
References
5- github.com/ipfs/go-unixfs/commit/467d139a640ecee4f2e74643dafcc58bb3b54175nvdPatchWEB
- github.com/advisories/GHSA-q264-w97q-q778ghsaADVISORY
- github.com/ipfs/go-unixfs/security/advisories/GHSA-q264-w97q-q778nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-23625ghsaADVISORY
- pkg.go.dev/vuln/GO-2023-1557ghsaWEB
News mentions
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