BIT-node-min-2025-55131
A flaw in Node.js's buffer allocation logic can expose uninitialized memory when allocations are interrupted, when using the `vm` module with the timeout option. Under specific timing conditions, buffers allocated with `Buffer.alloc` and other `TypedArray` instances like `Uint8Array` may contain leftover data from previous operations, allowing in-process secrets like tokens or passwords to leak or causing data corruption. While exploitation typically requires precise timing or in-process code execution, it can become remotely exploitable when untrusted input influences workload and timeouts, leading to potential confidentiality and integrity impact.
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bitnami | node-min | 0, 21.0.0, 23.0.0 |
Timeline
- Jan 26, 2026 CVE Published
- Jul 6, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch
- Aug 8, 2026 Distribution Patch
- Aug 8, 2026 Distribution Patch
- Aug 8, 2026 Distribution Patch
- Aug 8, 2026 Distribution Patch
- Aug 8, 2026 Distribution Patch
- Aug 8, 2026 Distribution Patch
- Aug 8, 2026 Distribution Patch
- Aug 8, 2026 Distribution Patch
- Aug 8, 2026 Distribution Patch
References
- https://nodejs.org/en/blog/vulnerability/december-2025-security-releases url
- https://nvd.nist.gov/vuln/detail/CVE-2025-55131 url
- https://access.redhat.com/errata/RHSA-2026:1842 url
- https://access.redhat.com/errata/RHSA-2026:1843 url
- https://access.redhat.com/errata/RHSA-2026:2420 url
- https://access.redhat.com/errata/RHSA-2026:2421 url
- https://access.redhat.com/errata/RHSA-2026:2422 url
- https://access.redhat.com/errata/RHSA-2026:2767 url
- https://access.redhat.com/errata/RHSA-2026:2768 url
- https://access.redhat.com/errata/RHSA-2026:2781 url
- https://access.redhat.com/errata/RHSA-2026:2782 url
- https://access.redhat.com/errata/RHSA-2026:2783 url
- https://access.redhat.com/errata/RHSA-2026:2864 url
- https://access.redhat.com/errata/RHSA-2026:2899 url
- https://access.redhat.com/errata/RHSA-2026:6402 url
- https://access.redhat.com/errata/RHSA-2026:6431 url
- https://access.redhat.com/errata/RHSA-2026:7386 url
- https://access.redhat.com/errata/RHSA-2026:7387 url
- https://access.redhat.com/security/cve/CVE-2025-55131 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2431350 url
…and 1 more