Improper Handling of Length Parameter Inconsistency in Apache Ant
When reading a specially crafted ZIP archive, or a derived formats, an Apache Ant build can be made to allocate large amounts of memory that leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Commonly used derived formats from ZIP archives are for instance JAR files and many office files. Apache Ant prior to 1.9.16 and 1.10.11 were affected.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.ant:ant | >= 1.9.0, < 1.9.16, >= 1.10.0, < 1.10.11 | 1.9.16, 1.10.11 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-36374
- https://ant.apache.org/security.html
- https://lists.apache.org/thread.html/r27919fd4db07c487239c1d9771f480d89ce5ee2750aa9447309b709a@%3Ccommits.groovy.apache.org%3E
- https://lists.apache.org/thread.html/r544c9e8487431768465b8b2d13982c75123109bd816acf839d46010d@%3Ccommits.groovy.apache.org%3E
- https://lists.apache.org/thread.html/rad36f470647c5a7c02dd78c9973356d2840766d132b597b6444e373a@%3Cnotifications.groovy.apache.org%3E
- https://lists.apache.org/thread.html/rdd5412a5b9a25aed2a02c3317052d38a97128314d50bc1ed36e81d38%40%3Cuser.ant.apache.org%3E
- https://lists.apache.org/thread.html/rf4bb79751a02889623195715925e4fd8932dd3c97e0ade91395a96c6@%3Cdev.myfaces.apache.org%3E
- https://security.netapp.com/advisory/ntap-20210819-0007
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-130- Platform
- Java / Kotlin (Maven)
- Package
org.apache.ant:ant- Disclosed
- 02.08.2021
- Updated
- 11.10.2026 12:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-5v34-g2px-j4fw - CC BY 4.0
Vulnerability history: org.apache.ant:ant
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 09.2020 08.2021
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 3
Disclosures per year
- 2020: 1
- 2021: 3
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
-
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