# CVE-2019-18397: fribidi: A library to handle bidirectional scripts (for example Hebrew, Arabic), so that the display is done in the proper way...

CVE-2019-18397 is fixed in 2 products on 1 platform, first by RHSA-2019:4361, released December 23, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-18397
- Priority: High
- CVSS: 7.8 (Important)
- EPSS: 0.0218
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 23, 2019

## Description

A library to handle bidirectional scripts (for example Hebrew, Arabic), so that the display is done in the proper way, while the text data itself is always written in logical order.  Security Fix(es):  * fribidi: buffer overflow in fribidi_get_par_embedding_levels_ex() in lib/fribidi-bidi.c leading to denial of service and possible code execution (CVE-2019-18397)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | fribidi RHEL 8 | 0:1.0.4-7.el8_1 | [RHSA-2019:4361](https://patchblox.com/security/data/fix/linux/rhsa-2019-4361.md) | Dec 23, 2019 |
| Linux | fribidi ol 8 | 0:1.0.4-7.el8_1 | [ELSA-2019-4361](https://patchblox.com/security/data/fix/linux/elsa-2019-4361.md) | Dec 23, 2019 |
| Linux | fribidi-devel RHEL 8 | 0:1.0.4-7.el8_1 | [RHSA-2019:4361](https://patchblox.com/security/data/fix/linux/rhsa-2019-4361.md) | Dec 23, 2019 |
| Linux | fribidi-devel ol 8 | 0:1.0.4-7.el8_1 | [ELSA-2019-4361](https://patchblox.com/security/data/fix/linux/elsa-2019-4361.md) | Dec 23, 2019 |

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