CVE-2023-47163
Remarshal expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack
7.5
HIGH
CVSS 3.1
EPSS 0.08%
Description
Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Processing untrusted YAML files may cause a denial-of-service (DoS) condition.
How to fix CVE-2023-47163
To remediate CVE-2023-47163, upgrade the affected package to a fixed version below.
- —upgrade to 0.17.1 or later
- —upgrade to fd6ac799a02f533c3fc243b49cdd6d21aa7ee494 or later
Is CVE-2023-47163 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.17.1
- from 0, < fd6ac799a02f533c3fc243b49cdd6d21aa7ee494 | from 0, < 0.17.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |