# CVE-2022-22844: libtiff5: LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and... CVE-2022-22844 is fixed in 11 products on 1 platform, first by DEBIAN-CVE-2022-22844, released January 10, 2022. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2022-22844 - Priority: Routine - CVSS: 6.6 (Negligible) - EPSS: 0.0143 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jan 10, 2022 ## Description LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libtiff RHEL 8 | 0:4.0.9-23.el8 | [RHSA-2022:7585](https://patchblox.com/security/data/fix/linux/rhsa-2022-7585.md) | Nov 8, 2022 | | Linux | libtiff RHEL 9 | 0:4.4.0-2.el9 | [RHSA-2022:8194](https://patchblox.com/security/data/fix/linux/rhsa-2022-8194.md) | Nov 15, 2022 | | Linux | libtiff almalinux 8 | 4.0.9-23.el8 | [ALSA-2022:7585](https://patchblox.com/security/data/fix/linux/alsa-2022-7585.md) | Nov 8, 2022 | | Linux | libtiff almalinux 9 | 4.4.0-2.el9 | [ALSA-2022:8194](https://patchblox.com/security/data/fix/linux/alsa-2022-8194.md) | Nov 15, 2022 | | Linux | libtiff amzn 2023 | 4.4.0-4.amzn2023.0.3 | [ALAS2023-2023-050](https://patchblox.com/security/data/fix/linux/alas2023-2023-050.md) | Feb 17, 2023 | | Linux | libtiff ol 8 | 0:4.0.9-23.el8 | [ELSA-2022-7585](https://patchblox.com/security/data/fix/linux/elsa-2022-7585.md) | Nov 15, 2022 | | Linux | libtiff ol 9 | 0:4.4.0-2.el9 | [ELSA-2022-8194](https://patchblox.com/security/data/fix/linux/elsa-2022-8194.md) | Nov 22, 2022 | | Linux | libtiff rocky 8 | 0:4.0.9-23.el8 | [RLSA-2022:7585](https://patchblox.com/security/data/fix/linux/rlsa-2022-7585.md) | Nov 8, 2022 | | Linux | libtiff-debuginfo amzn 2023 | 4.4.0-4.amzn2023.0.3 | [ALAS2023-2023-050](https://patchblox.com/security/data/fix/linux/alas2023-2023-050.md) | Feb 17, 2023 | | Linux | libtiff-debugsource amzn 2023 | 4.4.0-4.amzn2023.0.3 | [ALAS2023-2023-050](https://patchblox.com/security/data/fix/linux/alas2023-2023-050.md) | Feb 17, 2023 | | Linux | libtiff-devel RHEL 8 | 0:4.0.9-23.el8 | [RHSA-2022:7585](https://patchblox.com/security/data/fix/linux/rhsa-2022-7585.md) | Nov 8, 2022 | | Linux | libtiff-devel RHEL 9 | 0:4.4.0-2.el9 | [RHSA-2022:8194](https://patchblox.com/security/data/fix/linux/rhsa-2022-8194.md) | Nov 15, 2022 | | Linux | libtiff-devel almalinux 8 | 4.0.9-23.el8 | [ALSA-2022:7585](https://patchblox.com/security/data/fix/linux/alsa-2022-7585.md) | Nov 8, 2022 | | Linux | libtiff-devel almalinux 9 | 4.4.0-2.el9 | [ALSA-2022:8194](https://patchblox.com/security/data/fix/linux/alsa-2022-8194.md) | Nov 15, 2022 | | Linux | libtiff-devel amzn 2023 | 4.4.0-4.amzn2023.0.3 | [ALAS2023-2023-050](https://patchblox.com/security/data/fix/linux/alas2023-2023-050.md) | Feb 17, 2023 | | Linux | libtiff-devel ol 8 | 0:4.0.9-23.el8 | [ELSA-2022-7585](https://patchblox.com/security/data/fix/linux/elsa-2022-7585.md) | Nov 15, 2022 | | Linux | libtiff-devel ol 9 | 0:4.4.0-2.el9 | [ELSA-2022-8194](https://patchblox.com/security/data/fix/linux/elsa-2022-8194.md) | Nov 22, 2022 | | Linux | libtiff-opengl Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.6 | [libtiff-opengl 4.0.9-5ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff-opengl-4.0.9-5ubuntu0.6.md) | Mar 11, 2022 | | Linux | libtiff-opengl Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.4 | [libtiff-opengl 4.1.0+git191117-2ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiff-opengl-4.1.0-git191117-2ubuntu0.20.04.4.md) | Mar 11, 2022 | | Linux | libtiff-static amzn 2023 | 4.4.0-4.amzn2023.0.3 | [ALAS2023-2023-050](https://patchblox.com/security/data/fix/linux/alas2023-2023-050.md) | Feb 17, 2023 | | Linux | libtiff-tools RHEL 8 | 0:4.0.9-23.el8 | [RHSA-2022:7585](https://patchblox.com/security/data/fix/linux/rhsa-2022-7585.md) | Nov 8, 2022 | | Linux | libtiff-tools RHEL 9 | 0:4.4.0-2.el9 | [RHSA-2022:8194](https://patchblox.com/security/data/fix/linux/rhsa-2022-8194.md) | Nov 15, 2022 | | Linux | libtiff-tools Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.6 | [libtiff-tools 4.0.9-5ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff-tools-4.0.9-5ubuntu0.6.md) | Mar 11, 2022 | | Linux | libtiff-tools Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.4 | [libtiff-tools 4.1.0+git191117-2ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiff-tools-4.1.0-git191117-2ubuntu0.20.04.4.md) | Mar 11, 2022 | | Linux | libtiff-tools almalinux 8 | 4.0.9-23.el8 | [ALSA-2022:7585](https://patchblox.com/security/data/fix/linux/alsa-2022-7585.md) | Nov 8, 2022 | | Linux | libtiff-tools almalinux 9 | 4.4.0-2.el9 | [ALSA-2022:8194](https://patchblox.com/security/data/fix/linux/alsa-2022-8194.md) | Nov 15, 2022 | | Linux | libtiff-tools amzn 2023 | 4.4.0-4.amzn2023.0.3 | [ALAS2023-2023-050](https://patchblox.com/security/data/fix/linux/alas2023-2023-050.md) | Feb 17, 2023 | | Linux | libtiff-tools ol 8 | 0:4.0.9-23.el8 | [ELSA-2022-7585](https://patchblox.com/security/data/fix/linux/elsa-2022-7585.md) | Nov 15, 2022 | | Linux | libtiff-tools ol 9 | 0:4.4.0-2.el9 | [ELSA-2022-8194](https://patchblox.com/security/data/fix/linux/elsa-2022-8194.md) | Nov 22, 2022 | | Linux | libtiff-tools-debuginfo amzn 2023 | 4.4.0-4.amzn2023.0.3 | [ALAS2023-2023-050](https://patchblox.com/security/data/fix/linux/alas2023-2023-050.md) | Feb 17, 2023 | | Linux | libtiff5 Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.6 | [libtiff5 4.0.9-5ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff5-4.0.9-5ubuntu0.6.md) | Mar 11, 2022 | | Linux | libtiff5 Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.4 | [libtiff5 4.1.0+git191117-2ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiff5-4.1.0-git191117-2ubuntu0.20.04.4.md) | Mar 11, 2022 | | Linux | libtiffxx5 Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.6 | [libtiffxx5 4.0.9-5ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiffxx5-4.0.9-5ubuntu0.6.md) | Mar 11, 2022 | | Linux | libtiffxx5 Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.4 | [libtiffxx5 4.1.0+git191117-2ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiffxx5-4.1.0-git191117-2ubuntu0.20.04.4.md) | Mar 11, 2022 | | Linux | tiff Debian 12.15 (bookworm) | 4.3.0-3 | [DEBIAN-CVE-2022-22844](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22844.md) | Jan 10, 2022 | | Linux | tiff Debian 13.5 (trixie) | 4.3.0-3 | [DEBIAN-CVE-2022-22844](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22844.md) | Jan 10, 2022 | | Linux | tiff Debian 14 | 4.3.0-3 | [DEBIAN-CVE-2022-22844](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22844.md) | Jan 10, 2022 | --- Data as of 2026-11-08T00:53:09Z UTC. 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