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Vulnerability details

8.7/10
CVSS 4.0
GHSA-554w-wpv2-vw27
resolved Published 2025-11-26 Updated 2025-11-26
GitHub Advisory
Vulnerability Data from Dependency-Track
Affected versions
Score
8.7 CVSS 4.0 GITHUB 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
Description
### Summary An Uncontrolled Recursion (CWE-674) vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft deep ASN.1 structures that trigger unbounded recursive parsing. This leads to a Denial-of-Service (DoS) via stack exhaustion when parsing untrusted DER inputs. ### Details An ASN.1 Denial of Service (Dos) vulnerability exists in the node-forge `asn1.fromDer` function within `forge/lib/asn1.js`. The ASN.1 DER parser implementation (`_fromDer`) recurses for every constructed ASN.1 value (SEQUENCE, SET, etc.) and lacks a guard limiting recursion depth. An attacker can craft a small DER blob containing a very large nesting depth of constructed TLVs which causes the Node.js V8 engine to exhaust its call stack and throw `RangeError: Maximum call stack size exceeded`, crashing or incapacitating the process handling the parse. This is a remote, low-cost Denial-of-Service against applications that parse untrusted ASN.1 objects. ### Impact This vulnerability enables an unauthenticated attacker to reliably crash a server or client using node-forge for TLS connections or certificate parsing. This vulnerability impacts the ans1.fromDer function in `node-forge` before patched version `1.3.2`. Any downstream application using this component is impacted. These components may be leveraged by downstream applications in ways that enable full compromise of availability.
Same vulnerability as
CVE-2025-66031 resolved according to EUVD-2025-199767
Analysis Read only
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