# CVE-2022-25309: libfribidi-bin: A heap-based buffer overflow flaw was found in the Fribidi package and affects the fribidi_cap_rtl_to_unicode() funct... CVE-2022-25309 is fixed in 6 products on 1 platform, first by libfribidi-bin 0.19.7-2ubuntu0.1, released February 22, 2022. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2022-25309 - Priority: High - CVSS: 7.0 (Medium) - EPSS: 0.0051 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Feb 22, 2022 ## Description A heap-based buffer overflow flaw was found in the Fribidi package and affects the fribidi_cap_rtl_to_unicode() function of the fribidi-char-sets-cap-rtl.c file. This flaw allows an attacker to pass a specially crafted file to the Fribidi application with the '--caprtl' option, leading to a crash and causing a denial of service. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | fribidi Debian 12.15 (bookworm) | 1.0.8-2.1 | [DEBIAN-CVE-2022-25309](https://patchblox.com/security/data/fix/linux/debian-cve-2022-25309.md) | Sep 6, 2022 | | Linux | fribidi Debian 13.5 (trixie) | 1.0.8-2.1 | [DEBIAN-CVE-2022-25309](https://patchblox.com/security/data/fix/linux/debian-cve-2022-25309.md) | Sep 6, 2022 | | Linux | fribidi Debian 14 | 1.0.8-2.1 | [DEBIAN-CVE-2022-25309](https://patchblox.com/security/data/fix/linux/debian-cve-2022-25309.md) | Sep 6, 2022 | | Linux | fribidi RHEL 8 | 0:1.0.4-9.el8 | [RHSA-2022:7514](https://patchblox.com/security/data/fix/linux/rhsa-2022-7514.md) | Nov 8, 2022 | | Linux | fribidi RHEL 9 | 0:1.0.10-6.el9.2 | [RHSA-2022:8011](https://patchblox.com/security/data/fix/linux/rhsa-2022-8011.md) | Nov 15, 2022 | | Linux | fribidi almalinux 8 | 1.0.4-9.el8 | [ALSA-2022:7514](https://patchblox.com/security/data/fix/linux/alsa-2022-7514.md) | Nov 8, 2022 | | Linux | fribidi almalinux 9 | 1.0.10-6.el9.2 | [ALSA-2022:8011](https://patchblox.com/security/data/fix/linux/alsa-2022-8011.md) | Nov 15, 2022 | | Linux | fribidi amzn 2023 | 1.0.11-3.amzn2023.0.2 | [ALAS2023-2023-069](https://patchblox.com/security/data/fix/linux/alas2023-2023-069.md) | Feb 17, 2023 | | Linux | fribidi ol 8 | 0:1.0.4-9.el8 | [ELSA-2022-7514](https://patchblox.com/security/data/fix/linux/elsa-2022-7514.md) | Nov 15, 2022 | | Linux | fribidi ol 9 | 0:1.0.10-6.el9.2 | [ELSA-2022-8011](https://patchblox.com/security/data/fix/linux/elsa-2022-8011.md) | Nov 22, 2022 | | Linux | fribidi rocky 8 | 0:1.0.4-9.el8 | [RLSA-2022:7514](https://patchblox.com/security/data/fix/linux/rlsa-2022-7514.md) | Nov 8, 2022 | | Linux | fribidi rocky 9 | 0:1.0.10-6.el9.2 | [RLSA-2022:8011](https://patchblox.com/security/data/fix/linux/rlsa-2022-8011.md) | Nov 15, 2022 | | Linux | fribidi-debuginfo amzn 2023 | 1.0.11-3.amzn2023.0.2 | [ALAS2023-2023-069](https://patchblox.com/security/data/fix/linux/alas2023-2023-069.md) | Feb 17, 2023 | | Linux | fribidi-debugsource amzn 2023 | 1.0.11-3.amzn2023.0.2 | [ALAS2023-2023-069](https://patchblox.com/security/data/fix/linux/alas2023-2023-069.md) | Feb 17, 2023 | | Linux | fribidi-devel RHEL 8 | 0:1.0.4-9.el8 | [RHSA-2022:7514](https://patchblox.com/security/data/fix/linux/rhsa-2022-7514.md) | Nov 8, 2022 | | Linux | fribidi-devel RHEL 9 | 0:1.0.10-6.el9.2 | [RHSA-2022:8011](https://patchblox.com/security/data/fix/linux/rhsa-2022-8011.md) | Nov 15, 2022 | | Linux | fribidi-devel almalinux 8 | 1.0.4-9.el8 | [ALSA-2022:7514](https://patchblox.com/security/data/fix/linux/alsa-2022-7514.md) | Nov 8, 2022 | | Linux | fribidi-devel almalinux 9 | 1.0.10-6.el9.2 | [ALSA-2022:8011](https://patchblox.com/security/data/fix/linux/alsa-2022-8011.md) | Nov 15, 2022 | | Linux | fribidi-devel amzn 2023 | 1.0.11-3.amzn2023.0.2 | [ALAS2023-2023-069](https://patchblox.com/security/data/fix/linux/alas2023-2023-069.md) | Feb 17, 2023 | | Linux | fribidi-devel ol 8 | 0:1.0.4-9.el8 | [ELSA-2022-7514](https://patchblox.com/security/data/fix/linux/elsa-2022-7514.md) | Nov 15, 2022 | | Linux | fribidi-devel ol 9 | 0:1.0.10-6.el9.2 | [ELSA-2022-8011](https://patchblox.com/security/data/fix/linux/elsa-2022-8011.md) | Nov 22, 2022 | | Linux | libfribidi-bin Ubuntu 18.04.6 LTS (bionic) | 0.19.7-2ubuntu0.1 | [libfribidi-bin 0.19.7-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfribidi-bin-0.19.7-2ubuntu0.1.md) | Feb 22, 2022 | | Linux | libfribidi-bin Ubuntu 20.04 LTS (focal) | 1.0.8-2ubuntu0.1 | [libfribidi-bin 1.0.8-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfribidi-bin-1.0.8-2ubuntu0.1.md) | Feb 22, 2022 | | Linux | libfribidi-bin Ubuntu 22.04.1 LTS (jammy) | 1.0.8-2ubuntu3.1 | [libfribidi-bin 1.0.8-2ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfribidi-bin-1.0.8-2ubuntu3.1.md) | Feb 22, 2022 | | Linux | libfribidi0 Ubuntu 18.04.6 LTS (bionic) | 0.19.7-2ubuntu0.1 | [libfribidi0 0.19.7-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfribidi0-0.19.7-2ubuntu0.1.md) | Feb 22, 2022 | | Linux | libfribidi0 Ubuntu 20.04 LTS (focal) | 1.0.8-2ubuntu0.1 | [libfribidi0 1.0.8-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfribidi0-1.0.8-2ubuntu0.1.md) | Feb 22, 2022 | | Linux | libfribidi0 Ubuntu 22.04.1 LTS (jammy) | 1.0.8-2ubuntu3.1 | [libfribidi0 1.0.8-2ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfribidi0-1.0.8-2ubuntu3.1.md) | Feb 22, 2022 | --- Data as of 2026-11-08T13:06:02Z UTC. 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