Yaml
CVE-2023-2251
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Exception handling completeness
|
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
Uncaught Exception in GitHub repository eemeli/yaml prior to 2.0.0-5. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in npm
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Technical ContextAI · show details
This vulnerability is classified under CWE-248. Uncaught Exception in GitHub repository eemeli/yaml prior to 2.0.0-5. Affected products include: Yaml Project Yaml. Version information: prior to 2.0.0.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Uncaught Exception in GitHub repository eemeli/yaml prior to 2.0.0-5.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
An issue in the Unmarshal function in Go-Yaml v3 causes the program to crash when attempting to deserialize invalid inpu
Out-of-bounds read in the Perl module YAML::Syck before 1.47 lets a remote attacker leak adjacent process memory by feed
A critical heap buffer overflow vulnerability exists in YAML::Syck through version 1.36 for Perl, allowing remote attack
Heap use-after-free in YAML::Syck for Perl before version 1.47 lets a crafted YAML document corrupt parser memory when i
Out-of-bounds heap read in YAML::Syck before 1.47 for Perl lets an attacker who controls a parsed YAML document trigger
Parsing malicious or large YAML documents can consume excessive amounts of CPU or memory. Rated high severity (CVSS 7.5)
Buffer underflow in YAML::Syck for Perl versions before 1.38 allows remote unauthenticated attackers to trigger out-of-b
Out-of-bounds memory read in YAML::Syck's bundled libsyck C library for Perl exposes any application calling Load() or L
YAML::Syck before version 1.47 crashes the Perl interpreter when parsing a YAML document that redefines an anchor name,
Multiple format string vulnerabilities in the error reporting functionality in the YAML::LibYAML (aka YAML-LibYAML and p
Exploit-DB