CVE-2022-34169
Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Description
The Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets. This can be used to corrupt Java class files generated by the internal XSLTC compiler and execute arbitrary Java bytecode. Users are recommended to update to version 2.7.3 or later. Note: Java runtimes (such as OpenJDK) include repackaged copies of Xalan.
Official description from the CVE record, published by apache. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 High 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: None
No effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: None
No effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | None | No effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | None | No effect on availability. |
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EPSS
- Score
- 0.81759 (81.8% probability)
- Percentile
- 99.6%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA assessment as of May 20, 2025
- Automatable
- yes
- Technical impact
- partial
Weakness (CWE)
- CWE-681Incorrect Conversion between Numeric Types
Affected products
Apache Xalan-J
- affected: Xalan-J up to 2.7.2
References
- lists.apache.org/thread/2qvl7r43wb4t8p9dd9om1bnkssk07sn8
- lists.apache.org/thread/12pxy4phsry6c34x2ol4fft6xlho4kyw
- [oss-security] 20220719 CVE-2022-34169: Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets (openwall.com)mailing-list
- oracle.com/security-alerts/cpujul2022.html
- [oss-security] 20220719 Re: CVE-2022-34169: Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets (openwall.com)mailing-list
- [oss-security] 20220719 Re: CVE-2022-34169: Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets (openwall.com)mailing-list
- [oss-security] 20220720 Re: CVE-2022-34169: Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets (openwall.com)mailing-list
- DSA-5188 (debian.org)vendor-advisory
- DSA-5192 (debian.org)vendor-advisory
- security.netapp.com/advisory/ntap-20220729-0009
- FEDORA-2022-19b6f21746 (lists.fedoraproject.org)vendor-advisory
- FEDORA-2022-ae563934f7 (lists.fedoraproject.org)vendor-advisory
- FEDORA-2022-e573851f56 (lists.fedoraproject.org)vendor-advisory
- FEDORA-2022-d26586b419 (lists.fedoraproject.org)vendor-advisory
- FEDORA-2022-80afe2304a (lists.fedoraproject.org)vendor-advisory
- FEDORA-2022-b76ab52e73 (lists.fedoraproject.org)vendor-advisory
- packetstormsecurity.com/files/168186/Xalan-J-XSLTC-Integer-…
- [oss-security] 20221017 Re: CVE-2022-34169: Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets (openwall.com)mailing-list
- [debian-lts-announce] 20221018 [SECURITY] [DLA 3155-1] bcel security update (lists.debian.org)mailing-list
- DSA-5256 (debian.org)vendor-advisory
- [oss-security] 20221104 Re: CVE-2022-42920: Apache Commons BCEL prior to 6.6.0 allows producing arbitrary bytecode via out-of-bounds writing (openwall.com)mailing-list
- [oss-security] 20221107 Re: CVE-2022-42920: Apache Commons BCEL prior to 6.6.0 allows producing arbitrary bytecode via out-of-bounds writing (openwall.com)mailing-list
- security.gentoo.org/glsa/202401-25
- security.netapp.com/advisory/ntap-20240621-0006
Timeline
- ID reserved
- Record published
- Record last updated
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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:51 UTC. Sources and licenses