# CVE-2026-20889: libraw: A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b CVE-2026-20889 is fixed in 15 products on 1 platform, first by libraw-bin 0.20.2-2ubuntu2.22.04.3, released April 7, 2026. It is not reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/cve/CVE-2026-20889 - Priority: Urgent - CVSS: 9.8 (critical) - EPSS: 0.0084 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Apr 7, 2026 ## Description A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | LibRaw RHEL 8 | 0:0.19.5-6.el8_10 | [RHSA-2026:13284](https://patchblox.com/security/data/fix/linux/rhsa-2026-13284.md) | May 15, 2026 | | Linux | LibRaw almalinux 8 | 0.19.5-6.el8_10 | [ALSA-2026:13284](https://patchblox.com/security/data/fix/linux/alsa-2026-13284.md) | May 4, 2026 | | Linux | LibRaw ol 8 | 0:0.19.5-6.el8_10 | [ELSA-2026-13284](https://patchblox.com/security/data/fix/linux/elsa-2026-13284.md) | May 5, 2026 | | Linux | LibRaw rocky 8 | 0:0.19.5-6.el8_10 | [RLSA-2026:13284](https://patchblox.com/security/data/fix/linux/rlsa-2026-13284.md) | May 6, 2026 | | Linux | LibRaw-devel RHEL 8 | 0:0.19.5-6.el8_10 | [RHSA-2026:13284](https://patchblox.com/security/data/fix/linux/rhsa-2026-13284.md) | May 15, 2026 | | Linux | LibRaw-devel almalinux 8 | 0.19.5-6.el8_10 | [ALSA-2026:13284](https://patchblox.com/security/data/fix/linux/alsa-2026-13284.md) | May 4, 2026 | | Linux | LibRaw-devel ol 8 | 0:0.19.5-6.el8_10 | [ELSA-2026-13284](https://patchblox.com/security/data/fix/linux/elsa-2026-13284.md) | May 5, 2026 | | Linux | libraw Debian 12.15 (bookworm) | 0.20.2-2.1+deb12u2 | [DEBIAN-CVE-2026-20889](https://patchblox.com/security/data/fix/linux/debian-cve-2026-20889.md) | Apr 7, 2026 | | Linux | libraw Debian 13.5 (trixie) | 0.21.4-2+deb13u1 | [DEBIAN-CVE-2026-20889](https://patchblox.com/security/data/fix/linux/debian-cve-2026-20889.md) | Apr 7, 2026 | | Linux | libraw Debian 14 | 0.22.1-1 | [DEBIAN-CVE-2026-20889](https://patchblox.com/security/data/fix/linux/debian-cve-2026-20889.md) | Apr 7, 2026 | | Linux | libraw opensuse-leap 16.0 | 0.21.4-160000.3.1 | [OPENSUSE-SU-2026:20574-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20574-1.md) | Apr 20, 2026 | | Linux | libraw sles 15.6 | 0.21.1-150600.3.10.1 | [SUSE-SU-2026:1555-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1555-1.md) | Apr 22, 2026 | | Linux | libraw sles 15.7 | 0.21.1-150600.3.10.1 | [SUSE-SU-2026:1555-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1555-1.md) | Apr 22, 2026 | | Linux | libraw-bin Ubuntu 22.04.1 LTS (jammy) | 0.20.2-2ubuntu2.22.04.3 | [libraw-bin 0.20.2-2ubuntu2.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libraw-bin-0.20.2-2ubuntu2.22.04.3.md) | Apr 7, 2026 | | Linux | libraw-bin Ubuntu 24.04.5 LTS (noble) | 0.21.2-2.1ubuntu0.24.04.2 | [libraw-bin 0.21.2-2.1ubuntu0.24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libraw-bin-0.21.2-2.1ubuntu0.24.04.2.md) | Apr 7, 2026 | | Linux | libraw-bin Ubuntu 26.04.1 LTS (resolute) | 0.21.5b-1ubuntu1.1 | [libraw-bin 0.21.5b-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libraw-bin-0.21.5b-1ubuntu1.1.md) | Apr 7, 2026 | | Linux | libraw20 Ubuntu 22.04.1 LTS (jammy) | 0.20.2-2ubuntu2.22.04.3 | [libraw20 0.20.2-2ubuntu2.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libraw20-0.20.2-2ubuntu2.22.04.3.md) | Apr 7, 2026 | | Linux | libraw23t64 Ubuntu 24.04.5 LTS (noble) | 0.21.2-2.1ubuntu0.24.04.2 | [libraw23t64 0.21.2-2.1ubuntu0.24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libraw23t64-0.21.2-2.1ubuntu0.24.04.2.md) | Apr 7, 2026 | | Linux | libraw23t64 Ubuntu 26.04.1 LTS (resolute) | 0.21.5b-1ubuntu1.1 | [libraw23t64 0.21.5b-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libraw23t64-0.21.5b-1ubuntu1.1.md) | Apr 7, 2026 | | Linux | mingw-LibRaw Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 | | Linux | mingw32-LibRaw Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 | | Linux | mingw32-LibRaw-debuginfo Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 | | Linux | mingw32-LibRaw-static Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 | | Linux | mingw32-LibRaw-tools Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 | | Linux | mingw64-LibRaw Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 | | Linux | mingw64-LibRaw-debuginfo Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 | | Linux | mingw64-LibRaw-static Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 | | Linux | mingw64-LibRaw-tools Fedora 43 | 0.21.5-3.fc43 | [FEDORA-2026-635A001215](https://patchblox.com/security/data/fix/linux/fedora-2026-635a001215.md) | Apr 9, 2026 | --- Data as of 2026-11-08T19:12:23Z UTC. 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