CWE-479 2 CVEs MITRE definition ↗

CWE-479: Signal Handler Use of a Non-reentrant Function

Overview

CWE-479 (Signal Handler Use of a Non-reentrant Function) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.

Security impact
Security impact: Depends on product and context; use CVE records, severity scores, and MITRE guidance to prioritize.

Description

The product defines a signal handler that calls a non-reentrant function.

Applicable platforms

Kind Name Class Prevalence OS / CPE
language C Undetermined
language C++ Undetermined

Related CVEs in this database

These CVEs are mapped to this weakness in this database and kept for traceability and search.

CVE Published Summary
CVE-2026-44011 2026-05-12 Craft CMS is a content management system (CMS). From 4.0.0 to before 4.17.12 and 5.9.18, Craft CMS which contains an input-handling flaw in a Yii object creation path that let any authenticated user i…
CVE-2021-26948 2022-03-03 Null pointer dereference in the htmldoc v1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service via a crafted html file.

Previous names

  • Unsafe Function Call from a Signal Handler (2010-12-13)

Content submission

Name
CLASP
Date
2006-07-19
Version
Draft 3

Content modifications

Date Name Version Importance Comment
2008-07-01 Eric Dalci 1.0 updated Time_of_Introduction
2008-09-08 CWE Content Team 1.0 updated Applicable_Platforms, Common_Consequences, Description, Relationships, Other_Notes, Taxonomy_Mappings
2008-11-24 CWE Content Team 1.1 updated Relationships, Taxonomy_Mappings
2010-09-27 CWE Content Team 1.10 updated Relationships
2010-12-13 CWE Content Team 1.11 updated Demonstrative_Examples, Description, Name, Observed_Examples, Other_Notes, Potential_Mitigations, Relationships
2011-06-01 CWE Content Team 1.13 updated Common_Consequences, Relationships, Taxonomy_Mappings
2011-06-27 CWE Content Team 2.0 updated Common_Consequences
2011-09-13 CWE Content Team 2.1 updated Relationships, Taxonomy_Mappings
2012-05-11 CWE Content Team 2.2 updated References, Relationships, Taxonomy_Mappings
2012-10-30 CWE Content Team 2.3 updated Demonstrative_Examples
2014-07-30 CWE Content Team 2.8 updated Relationships, Taxonomy_Mappings
2017-11-08 CWE Content Team 3.0 updated Observed_Examples, Relationships, Taxonomy_Mappings
2019-01-03 CWE Content Team 3.2 updated Relationships, Taxonomy_Mappings
2020-02-24 CWE Content Team 4.0 updated Description, References, Relationships
2020-12-10 CWE Content Team 4.3 updated Common_Consequences
2023-01-31 CWE Content Team 4.10 updated Description
2023-04-27 CWE Content Team 4.11 updated Detection_Factors, Relationships, Time_of_Introduction
2023-06-29 CWE Content Team 4.12 updated Mapping_Notes
2023-10-26 CWE Content Team 4.13 updated Demonstrative_Examples
2025-04-03 CWE Content Team 4.17 updated Demonstrative_Examples
2025-12-11 CWE Content Team 4.19 updated Weakness_Ordinalities
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