CVE-2026-105111

A flaw was found in Apache Commons BCEL. The Class2HTML component does not properly sanitize strings when generating web pages from Java class files. A remote attacker can supply a specially crafted class file to trigger stored Cross-Site Scripting XSS when a user views the generated report...

CVE-2026-94114

A flaw was found in Apache Commons BCEL Byte Code Engineering Library. When loading untrusted classes, the library caches them under their internally declared names without verifying them against the requested class name. A remote attacker could exploit this vulnerability to substitute legitimate...

CVE-2026-94114

Symbolic name not mapping to correct object vulnerability in Apache Commons. BCEL caches attacker-controlled classes under their self-declared names without validating the requested name, allowing subsequent lookups and name-keyed verification results to refer to a different class. This issue...

DEBIAN-CVE-2026-105111

Improper neutralization of input during web page generation 'cross-site scripting' vulnerability in Apache Commons BCEL. This only happens when you're using Class2HTML to generate webpages for possibly-attacker-controlled class files, where Class2HTML emitters write attacker class-file strings in...

CVE-2026-105111

Improper neutralization of input during web page generation 'cross-site scripting' vulnerability in Apache Commons BCEL. This only happens when you're using Class2HTML to generate webpages for possibly-attacker-controlled class files, where Class2HTML emitters write attacker class-file strings in...

CVE-2026-105111 Apache Commons BCEL: Class2HTML emits unescaped class strings, enabling stored XSS

Improper neutralization of input during web page generation 'cross-site scripting' vulnerability in Apache Commons BCEL. This only happens when you're using Class2HTML to generate webpages for possibly-attacker-controlled class files, where Class2HTML emitters write attacker class-file strings in...

EUVD-2026-93972

Improper neutralization of input during web page generation 'cross-site scripting' vulnerability in Apache Commons BCEL. This only happens when you're using Class2HTML to generate webpages for possibly-attacker-controlled class files, where Class2HTML emitters write attacker class-file strings in...

CVE-2026-105111

The Apache Commons BCEL library is vulnerable to a stored cross-site scripting (XSS) flaw in versions before 6.13.0 . The issue occurs when using the Class2HTML component to generate webpages from potentially attacker-controlled class files. Specifically, the Class2HTML emitters fail to properly ...

EUVD-2026-93970

Symbolic name not mapping to correct object vulnerability in Apache Commons. BCEL caches attacker-controlled classes under their self-declared names without validating the requested name, allowing subsequent lookups and name-keyed verification results to refer to a different class. This issue...

CVE-2026-94114

Apache Commons BCEL versions before 6.13.0 are vulnerable to a symbolic name mapping issue. The BCEL component caches attacker-controlled classes using self-declared names without sufficient validation. This flaw allows subsequent lookups and name-keyed verification results to point to different ...

CVE-2026-94114 Apache Commons BCEL: Nested Code/Record attributes drive unbounded parse-time recursion in ClassParser

Symbolic name not mapping to correct object vulnerability in Apache Commons. BCEL caches attacker-controlled classes under their self-declared names without validating the requested name, allowing subsequent lookups and name-keyed verification results to refer to a different class. This issue...

CVE-2022-34169

描述 检查您的机器上是否已修复 CVE-2022-34169。据我所知，该漏洞由一名 Google 员工发现，尚未公开。由于修复方法已知，因此编写了一个小型测试例程，用于在运行时检查该修复是否已应用。 自行构建（可选） 可选：仅当您安装了 JDK 时才可用： 可选：检查 javac 是否可用：sudo updatedb && sudo locate /bin/javac javac Bcel.java 出现的六个警告可以忽略。被标记的代码用于包含 OpenJDK 中可用的 Bcel 库。如果自行包含 Bcel 库，则会稍微复杂一些，并且版本将是预定义的——这不一定符合本练习的精神。 运行...

Rocky Linux 9 [CIQ] Security Update: bcel (crlsa-2023_0005)

The Rocky Linux 9 host has a package installed that is affected by a vulnerability as referenced in the CIQ crlsa-20230005 advisory. Apache-Commons-BCEL: arbitrary bytecode produced via out-of-bounds writing CVE-2022-42920 Tenable has extracted the preceding description block directly from the CI...

AlmaLinux 9.2 [TuxCare] Security Update: ant / ant-antlr / ant-apache-bcel / ant-apache-bsf / ant-apache-oro / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1782225575)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1782225575 advisory. - When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally lead...

Astra Linux – Vulnerability in bcel

Apache Commons BCEL includes several APIs that typically only allow modifying specific class characteristics. However, due to an out-of-bounds writing issue, these APIs can be used to generate arbitrary bytecode. This could lead to abuse in applications that send attacker-controllable data to tho...

MiracleLinux 7 : bcel-5.2-19.0.1.el7.AXS7 (AXSA:2022-4486:01)

The remote MiracleLinux 7 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2022-4486:01 advisory. Apache-Commons-BCEL: arbitrary bytecode produced via out-of-bounds writing CVE-2022-42920 Tenable has extracted the preceding description block directly from...

MiracleLinux 9 : bcel-6.4.1-9.el9 (AXSA:2023-4861:01)

The remote MiracleLinux 9 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2023-4861:01 advisory. Apache-Commons-BCEL: arbitrary bytecode produced via out-of-bounds writing CVE-2022-42920 Tenable has extracted the preceding description block directly from...

TencentOS Server 2: bcel (TSSA-2022:0287)

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2022:0287 advisory. Package updates are available for TencentOS Server 2 that fix the following vulnerabilities:...

Security Bulletin: SPSS Collaboration and Deployment Services is affected by vulnerability in Apache Commons BCEL

Summary SPSS Collaboration and Deployment Services is affected by vulnerability in Apache Commons BCEL. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2022-42920 DESCRIPTION: Apache Commons BCEL could allow a remote attacker to bypass security restrictions,...

Security Bulletin: Security vulnerability affect IBM Business Automation Workflow - CVE-2022-42920

Summary IBM Business Automation Workflow packages a vulnerable copy of Apache BCEL in an OSGi bundle. Vulnerability Details CVEID:CVE-2022-42920 DESCRIPTION: Apache Commons BCEL could allow a remote attacker to bypass security restrictions, caused by an out-of-bounds write flaw in the APIs. By...