# CVE-2019-13118: iTunes: Access of Resource Using Incompatible Type ('Type Confusion')

CVE-2019-13118 is fixed in 4 products on 2 platforms, first by libxslt1.1 1.1.29-5ubuntu0.2, released October 18, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-13118
- Priority: Routine
- CVSS: 5.3 (Low)
- EPSS: 0.0515
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 30, 2019
- Weakness: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-13118

## Description

In numbers.c in libxslt 1.1.33, a type holding grouping characters of an xsl:number instruction was too narrow and an invalid character/length combination could be passed to xsltNumberFormatDecimal, leading to a read of uninitialized stack data.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | iTunes | 12.11.4.15 | [iTunes 12.11.4.15](https://patchblox.com/security/data/fix/windows-app/apple.itunes-12.11.4.15.md) | Aug 4, 2021 |
| Linux | libxslt1.1 Ubuntu 18.04.6 LTS (bionic) | 1.1.29-5ubuntu0.2 | [libxslt1.1 1.1.29-5ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxslt1.1-1.1.29-5ubuntu0.2.md) | Oct 18, 2019 |
| Linux | python-libxslt1 Ubuntu 18.04.6 LTS (bionic) | 1.1.29-5ubuntu0.2 | [python-libxslt1 1.1.29-5ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-libxslt1-1.1.29-5ubuntu0.2.md) | Oct 18, 2019 |
| Linux | xsltproc Ubuntu 18.04.6 LTS (bionic) | 1.1.29-5ubuntu0.2 | [xsltproc 1.1.29-5ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xsltproc-1.1.29-5ubuntu0.2.md) | Oct 18, 2019 |

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