CVE-2026-13502

A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is...

CVE-2026-13501

The vulnerability CVE-2026-13501 affects ANTLR4 (up to 4.13.2), specifically the GoTarget component within the gofmt tool in GoTarget.java. The issue is a local command-injection exploit caused by manipulation of the GoTarget codegen path. Public disclosure exists, and no vendor response is repor...

CVE-2026-13500 antlr ANTLR4 Grammar Action Block OutputFile.java code injection

A weakness has been identified in antlr ANTLR4 up to 4.13.2. Affected is an unknown function of the file tool/src/org/antlr/v4/codegen/model/OutputFile.java of the component Grammar Action Block Handler. Executing a manipulation can lead to code injection. The attack may be launched remotely. The...

CVE-2026-13500

A weakness has been identified in antlr ANTLR4 up to 4.13.2. Affected is an unknown function of the file tool/src/org/antlr/v4/codegen/model/OutputFile.java of the component Grammar Action Block Handler. Executing a manipulation can lead to code injection. The attack may be launched remotely. The...

CVE-2026-13503: Improper Limitation of a Pathname to a Restricted Directory

A vulnerability was detected in antlr ANTLR4 up to 4.13.2. Affected by this issue is the function getImportedVocabFile of the file tool/src/org/antlr/v4/parse/TokenVocabParser.java of the component tokenVocab Grammar Option Handler. The manipulation results in path traversal. The attack can be...

CVE-2026-13502: Time-of-check Time-of-use (TOCTOU) Race Condition

A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is...

CVE-2026-13500: Improper Control of Generation of Code

A weakness has been identified in antlr ANTLR4 up to 4.13.2. Affected is an unknown function of the file tool/src/org/antlr/v4/codegen/model/OutputFile.java of the component Grammar Action Block Handler. Executing a manipulation can lead to code injection. The attack may be launched remotely. The...

Linux Distros Unpatched Vulnerability : CVE-2026-13502

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file...

CVE-2026-13501: Improper Neutralization of Special Elements used in a Command

A security vulnerability has been detected in antlr ANTLR4 up to 4.13.2. Affected by this vulnerability is the function GoTarget of the file tool/src/org/antlr/v4/codegen/target/GoTarget.java of the component gofmt. The manipulation leads to command injection. The attack can only be performed fro...

Malicious code in antlr4-graps (npm)

The package antlr4-graps was found to contain malicious code...

Malicious code in vscode-antlr4 (npm)

The package vscode-antlr4 was found to contain malicious code...

MAL-2025-14606 Malicious code in antlr4-graps (npm)

The package antlr4-graps was found to contain malicious code...

MAL-2025-38650 Malicious code in vscode-antlr4 (npm)

The package vscode-antlr4 was found to contain malicious code...

antlr4-java:GrammarFuzzer: Security exception in org.antlr.v4.parse.ANTLRParser.lexerAlt

Detailed Report: https://oss-fuzz.com/testcase?key=4823002032701440 Project: antlr4-java Fuzzing Engine: libFuzzer Fuzz Target: GrammarFuzzer Job Type: libfuzzerasanantlr4-java Platform Id: linux Crash Type: Security exception Crash Address: Crash State: org.antlr.v4.parse.ANTLRParser.lexerAlt...

antlr4-java:GrammarFuzzer: Security exception in org.antlr.v4.parse.ANTLRParser.block

Detailed Report: https://oss-fuzz.com/testcase?key=6443142021185536 Project: antlr4-java Fuzzing Engine: libFuzzer Fuzz Target: GrammarFuzzer Job Type: libfuzzerasanantlr4-java Platform Id: linux Crash Type: Security exception Crash Address: Crash State: org.antlr.v4.parse.ANTLRParser.block...

openSUSE Security Advisory (SUSE-SU-2024:1639-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE-SU-2024:1639-2 Security update for python-arcomplete, python-Fabric, python-PyGithub, python-antlr4-python3-runtime, python-avro, python-chardet, python-distro, python-docker, python-fakeredis, python-fixedint, python-httplib2, python-httpretty, python-javaproperties, python-jsondiff, python-knack, python-marshmallow, python-opencensus, python-opencensus-context, python-opencensus-ext-threading, python-opentelemetry-api, python-opentelemetry-sdk, python-opentelemetry-semantic-conventions, python-opentelemetry-test-utils, python-pycomposefile, python-pydash, python-redis, python-retrying, python-semver, python-sshtunnel, python-strictyaml, python-sure, python-vcrpy, python-xmltodict

This update for python-argcomplete, python-Fabric, python-PyGithub, python-antlr4-python3-runtime, python-avro, python-chardet, python-distro, python-docker, python-fakeredis, python-fixedint, python-httplib2, python-httpretty, python-javaproperties, python-jsondiff, python-knack,...

SUSE-SU-2024:1639-1 Security update for python-arcomplete, python-Fabric, python-PyGithub, python-antlr4-python3-runtime, python-avro, python-chardet, python-distro, python-docker, python-fakeredis, python-fixedint, python-httplib2, python-httpretty, python-javaproperties, python-jsondiff, python-knack, python-marshmallow, python-opencensus, python-opencensus-context, python-opencensus-ext-threading, python-opentelemetry-api, python-opentelemetry-sdk, python-opentelemetry-semantic-conventions, python-opentelemetry-test-utils, python-pycomposefile, python-pydash, python-redis, python-retrying, python-semver, python-sshtunnel, python-strictyaml, python-sure, python-vcrpy, python-xmltodict

This update for python-argcomplete, python-Fabric, python-PyGithub, python-antlr4-python3-runtime, python-avro, python-chardet, python-distro, python-docker, python-fakeredis, python-fixedint, python-httplib2, python-httpretty, python-javaproperties, python-jsondiff, python-knack,...

openSUSE Security Advisory (SUSE-SU-2024:1639-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

PT-2024-40669 · Antlr4 · Antlr4

Name of the Vulnerable Software and Affected Versions: antlr4 affected versions not specified Description: The issue is related to a security exception in the antlr4 library. The crash occurs in the fromRuleContext function of the PredictionContext class and involves the update function of the...