# CVE-2025-5283: Chromium: CVE-2025-5283 Use after free in libvpx

CVE-2025-5283 is fixed in 28 products on 2 platforms, first by Microsoft Edge Dev 138.0.3309.1, released May 14, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-5283
- Priority: High
- CVSS: 8.8 (Medium)
- EPSS: 0.0064
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 27, 2025
- Weakness: CWE-416: Use after free
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-5283

## Description

<p>This CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/202%5BSS9.1%5D5">Google Chrome Releases</a> for more information.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Google Chrome (EXE) | 144.0.7559.133 | [Google Chrome (EXE) 144.0.7559.133](https://patchblox.com/security/data/fix/windows-app/google.chrome.exe-144.0.7559.133.md) | Feb 3, 2026 |
| Windows apps | Google Chrome Dev (EXE) | 144.0.7534.3 | [Google Chrome Dev (EXE) 144.0.7534.3](https://patchblox.com/security/data/fix/windows-app/google.chrome.dev.exe-144.0.7534.3.md) | Nov 20, 2025 |
| Windows apps | Microsoft Edge | 137.0.3296.52 | [Microsoft Edge 137.0.3296.52](https://patchblox.com/security/data/fix/windows-app/microsoft.edge-137.0.3296.52.md) | May 29, 2025 |
| Windows apps | Microsoft Edge Beta | 137.0.3296.52 | [Microsoft Edge Beta 137.0.3296.52](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.beta-137.0.3296.52.md) | May 29, 2025 |
| Windows apps | Microsoft Edge Dev | 138.0.3309.1 | [Microsoft Edge Dev 138.0.3309.1](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.dev-138.0.3309.1.md) | May 14, 2025 |
| Windows apps | Microsoft Edge WebView2 Runtime | 137.0.3296.52 | [Microsoft Edge WebView2 Runtime 137.0.3296.52](https://patchblox.com/security/data/fix/windows-app/microsoft.edgewebview2runtime-137.0.3296.52.md) | May 29, 2025 |
| Linux | chromium Debian 12.15 (bookworm) | 137.0.7151.55-3~deb12u1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | chromium Debian 13.5 (trixie) | 137.0.7151.55-1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | chromium Debian 14 | 137.0.7151.55-1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | firefox RHEL 10 | 128.11.0-1.el10_0 | [RHSA-2025:8341](https://patchblox.com/security/data/fix/linux/rhsa-2025-8341.md) | May 27, 2025 |
| Linux | firefox RHEL 8 | 0:128.11.0-1.el8_10 | [RHSA-2025:8308](https://patchblox.com/security/data/fix/linux/rhsa-2025-8308.md) | May 29, 2025 |
| Linux | firefox RHEL 9 | 0:128.11.0-1.el9_6 | [RHSA-2025:8293](https://patchblox.com/security/data/fix/linux/rhsa-2025-8293.md) | May 29, 2025 |
| Linux | firefox almalinux 10 | 128.11.0-1.el10_0 | [ALSA-2025:8341](https://patchblox.com/security/data/fix/linux/alsa-2025-8341.md) | Jun 2, 2025 |
| Linux | firefox almalinux 8 | 128.11.0-1.el8_10.alma.1 | [ALSA-2025:8308](https://patchblox.com/security/data/fix/linux/alsa-2025-8308.md) | May 29, 2025 |
| Linux | firefox ol 10 | 0:128.11.0-1.0.1.el10_0 | [ELSA-2025-8341](https://patchblox.com/security/data/fix/linux/elsa-2025-8341.md) | Jun 27, 2025 |
| Linux | firefox rocky 10 | 0:128.11.0-1.el10_0 | [RLSA-2025:8341](https://patchblox.com/security/data/fix/linux/rlsa-2025-8341.md) | Oct 3, 2025 |
| Linux | firefox rocky 8 | 0:128.11.0-1.el8_10 | [RLSA-2025:8308](https://patchblox.com/security/data/fix/linux/rlsa-2025-8308.md) | Jul 29, 2025 |
| Linux | firefox rocky 9 | 0:128.11.0-1.el9_6 | [RLSA-2025:8293](https://patchblox.com/security/data/fix/linux/rlsa-2025-8293.md) | Oct 4, 2025 |
| Linux | firefox-esr Debian 12.15 (bookworm) | 128.11.0esr-1~deb12u1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | firefox-esr Debian 13.5 (trixie) | 128.11.0esr-1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | firefox-esr Debian 14 | 128.11.0esr-1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | firefox-x11 RHEL 9 | 0:128.11.0-1.el9_6 | [RHSA-2025:8293](https://patchblox.com/security/data/fix/linux/rhsa-2025-8293.md) | May 29, 2025 |
| Linux | libvpx Debian 11.6 (bullseye) | 1.9.0-1+deb11u4 | [DLA-4201-1](https://patchblox.com/security/data/fix/linux/dla-4201-1.md) | May 31, 2025 |
| Linux | libvpx Debian 12.15 (bookworm) | 1.12.0-1+deb12u4 | [DSA-5928-1](https://patchblox.com/security/data/fix/linux/dsa-5928-1.md) | May 28, 2025 |
| Linux | libvpx Debian 13.5 (trixie) | 1.15.0-2.1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | libvpx Debian 14 | 1.15.0-2.1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | libvpx RHEL 10 | 1.14.1-3.el10_0 | [RHSA-2025:9120](https://patchblox.com/security/data/fix/linux/rhsa-2025-9120.md) | May 27, 2025 |
| Linux | libvpx RHEL 8 | 0:1.7.0-12.el8_10 | [RHSA-2025:9119](https://patchblox.com/security/data/fix/linux/rhsa-2025-9119.md) | Jun 16, 2025 |
| Linux | libvpx RHEL 9 | 0:1.9.0-9.el9_6 | [RHSA-2025:9118](https://patchblox.com/security/data/fix/linux/rhsa-2025-9118.md) | Jun 16, 2025 |
| Linux | libvpx almalinux 10 | 1.14.1-3.el10_0 | [ALSA-2025:9120](https://patchblox.com/security/data/fix/linux/alsa-2025-9120.md) | Jun 16, 2025 |
| Linux | libvpx almalinux 8 | 1.7.0-12.el8_10 | [ALSA-2025:9119](https://patchblox.com/security/data/fix/linux/alsa-2025-9119.md) | Jun 16, 2025 |
| Linux | libvpx almalinux 9 | 1.9.0-9.el9_6 | [ALSA-2025:9118](https://patchblox.com/security/data/fix/linux/alsa-2025-9118.md) | Jun 16, 2025 |
| Linux | libvpx amzn 2023 | 1.11.0-1.amzn2023.0.4 | [ALAS2023-2025-1023](https://patchblox.com/security/data/fix/linux/alas2023-2025-1023.md) | Jun 18, 2025 |
| Linux | libvpx ol 10 | 0:1.14.1-3.el10_0 | [ELSA-2025-9120](https://patchblox.com/security/data/fix/linux/elsa-2025-9120.md) | Jun 27, 2025 |
| Linux | libvpx ol 8 | 0:1.7.0-12.el8_10 | [ELSA-2025-9119](https://patchblox.com/security/data/fix/linux/elsa-2025-9119.md) | Jun 16, 2025 |
| Linux | libvpx ol 9 | 0:1.9.0-9.el9_6 | [ELSA-2025-9118](https://patchblox.com/security/data/fix/linux/elsa-2025-9118.md) | Jun 16, 2025 |
| Linux | libvpx rocky 10 | 0:1.14.1-3.el10_0 | [RLSA-2025:9120](https://patchblox.com/security/data/fix/linux/rlsa-2025-9120.md) | Oct 3, 2025 |
| Linux | libvpx rocky 8 | 0:1.7.0-12.el8_10 | [RLSA-2025:9119](https://patchblox.com/security/data/fix/linux/rlsa-2025-9119.md) | Jul 29, 2025 |
| Linux | libvpx rocky 9 | 0:1.9.0-9.el9_6 | [RLSA-2025:9118](https://patchblox.com/security/data/fix/linux/rlsa-2025-9118.md) | Oct 4, 2025 |
| Linux | libvpx-debuginfo amzn 2023 | 1.11.0-1.amzn2023.0.4 | [ALAS2023-2025-1023](https://patchblox.com/security/data/fix/linux/alas2023-2025-1023.md) | Jun 18, 2025 |
| Linux | libvpx-debugsource amzn 2023 | 1.11.0-1.amzn2023.0.4 | [ALAS2023-2025-1023](https://patchblox.com/security/data/fix/linux/alas2023-2025-1023.md) | Jun 18, 2025 |
| Linux | libvpx-devel RHEL 8 | 0:1.7.0-12.el8_10 | [RHSA-2025:9119](https://patchblox.com/security/data/fix/linux/rhsa-2025-9119.md) | Jun 16, 2025 |
| Linux | libvpx-devel RHEL 9 | 0:1.9.0-9.el9_6 | [RHSA-2025:9118](https://patchblox.com/security/data/fix/linux/rhsa-2025-9118.md) | Jun 16, 2025 |
| Linux | libvpx-devel almalinux 10 | 1.14.1-3.el10_0 | [ALSA-2025:9120](https://patchblox.com/security/data/fix/linux/alsa-2025-9120.md) | Jun 16, 2025 |
| Linux | libvpx-devel almalinux 8 | 1.7.0-12.el8_10 | [ALSA-2025:9119](https://patchblox.com/security/data/fix/linux/alsa-2025-9119.md) | Jun 16, 2025 |
| Linux | libvpx-devel almalinux 9 | 1.9.0-9.el9_6 | [ALSA-2025:9118](https://patchblox.com/security/data/fix/linux/alsa-2025-9118.md) | Jun 16, 2025 |
| Linux | libvpx-devel amzn 2023 | 1.11.0-1.amzn2023.0.4 | [ALAS2023-2025-1023](https://patchblox.com/security/data/fix/linux/alas2023-2025-1023.md) | Jun 18, 2025 |
| Linux | libvpx-devel ol 10 | 0:1.14.1-3.el10_0 | [ELSA-2025-9120](https://patchblox.com/security/data/fix/linux/elsa-2025-9120.md) | Jun 27, 2025 |
| Linux | libvpx-devel ol 8 | 0:1.7.0-12.el8_10 | [ELSA-2025-9119](https://patchblox.com/security/data/fix/linux/elsa-2025-9119.md) | Jun 16, 2025 |
| Linux | libvpx-devel ol 9 | 0:1.9.0-9.el9_6 | [ELSA-2025-9118](https://patchblox.com/security/data/fix/linux/elsa-2025-9118.md) | Jun 16, 2025 |
| Linux | libvpx-utils amzn 2023 | 1.11.0-1.amzn2023.0.4 | [ALAS2023-2025-1023](https://patchblox.com/security/data/fix/linux/alas2023-2025-1023.md) | Jun 18, 2025 |
| Linux | libvpx-utils-debuginfo amzn 2023 | 1.11.0-1.amzn2023.0.4 | [ALAS2023-2025-1023](https://patchblox.com/security/data/fix/linux/alas2023-2025-1023.md) | Jun 18, 2025 |
| Linux | libvpx5 Ubuntu 18.04.6 LTS (bionic) | 1.7.0-3ubuntu0.18.04.1+esm3 | [libvpx5 1.7.0-3ubuntu0.18.04.1+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvpx5-1.7.0-3ubuntu0.18.04.1-esm3.md) | May 28, 2025 |
| Linux | libvpx6 Ubuntu 20.04 LTS (focal) | 1.8.2-1ubuntu0.4 | [libvpx6 1.8.2-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libvpx6-1.8.2-1ubuntu0.4.md) | May 28, 2025 |
| Linux | libvpx7 Ubuntu 22.04.1 LTS (jammy) | 1.11.0-2ubuntu2.4 | [libvpx7 1.11.0-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libvpx7-1.11.0-2ubuntu2.4.md) | May 28, 2025 |
| Linux | libvpx9 Ubuntu 24.04.5 LTS (noble) | 1.14.0-1ubuntu2.2 | [libvpx9 1.14.0-1ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libvpx9-1.14.0-1ubuntu2.2.md) | May 28, 2025 |
| Linux | libvpx9 Ubuntu 24.10 (oracular) | 1.14.1-1ubuntu1.1 | [libvpx9 1.14.1-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libvpx9-1.14.1-1ubuntu1.1.md) | May 29, 2025 |
| Linux | libvpx9 Ubuntu 25.04 (plucky) | 1.15.0-2ubuntu0.1 | [libvpx9 1.15.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libvpx9-1.15.0-2ubuntu0.1.md) | May 29, 2025 |
| Linux | mozjs128 opensuse-leap 16.0 | 128.14.0-160000.1.1 | [OPENSUSE-SU-2025:20135-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-20135-1.md) | Dec 3, 2025 |
| Linux | mozjs128 sles 16.0 | 128.14.0-160000.1.1 | [SUSE-SU-2025:21170-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-21170-1.md) | Dec 3, 2025 |
| Linux | thunderbird Debian 12.15 (bookworm) | 1:128.11.0esr-1~deb12u1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | thunderbird Debian 13.5 (trixie) | 1:128.11.0esr-1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | thunderbird Debian 14 | 1:128.11.0esr-1 | [DEBIAN-CVE-2025-5283](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5283.md) | May 27, 2025 |
| Linux | thunderbird RHEL 10 | 128.11.0-1.el10_0 | [RHSA-2025:8608](https://patchblox.com/security/data/fix/linux/rhsa-2025-8608.md) | May 27, 2025 |
| Linux | thunderbird RHEL 8 | 0:128.11.0-1.el8_10 | [RHSA-2025:8756](https://patchblox.com/security/data/fix/linux/rhsa-2025-8756.md) | Jun 10, 2025 |
| Linux | thunderbird RHEL 9 | 0:128.11.0-1.el9_6 | [RHSA-2025:8607](https://patchblox.com/security/data/fix/linux/rhsa-2025-8607.md) | Jun 5, 2025 |
| Linux | thunderbird Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [thunderbird 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | thunderbird almalinux 9 | 128.11.0-1.el9_6.alma.1 | [ALSA-2025:8607](https://patchblox.com/security/data/fix/linux/alsa-2025-8607.md) | Jun 5, 2025 |
| Linux | thunderbird ol 10 | 0:128.11.0-1.0.1.el10_0 | [ELSA-2025-8608](https://patchblox.com/security/data/fix/linux/elsa-2025-8608.md) | Jun 27, 2025 |
| Linux | thunderbird rocky 10 | 0:128.11.0-1.el10_0 | [RLSA-2025:8608](https://patchblox.com/security/data/fix/linux/rlsa-2025-8608.md) | Oct 3, 2025 |
| Linux | thunderbird rocky 8 | 0:128.11.0-1.el8_10 | [RLSA-2025:8756](https://patchblox.com/security/data/fix/linux/rlsa-2025-8756.md) | Jul 29, 2025 |
| Linux | thunderbird rocky 9 | 0:128.11.0-1.el9_6 | [RLSA-2025:8607](https://patchblox.com/security/data/fix/linux/rlsa-2025-8607.md) | Oct 4, 2025 |
| Linux | thunderbird-gnome-support Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [thunderbird-gnome-support 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | thunderbird-mozsymbols Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [thunderbird-mozsymbols 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | vpx-tools Ubuntu 18.04.6 LTS (bionic) | 1.7.0-3ubuntu0.18.04.1+esm3 | [vpx-tools 1.7.0-3ubuntu0.18.04.1+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-vpx-tools-1.7.0-3ubuntu0.18.04.1-esm3.md) | May 28, 2025 |
| Linux | vpx-tools Ubuntu 20.04 LTS (focal) | 1.8.2-1ubuntu0.4 | [vpx-tools 1.8.2-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vpx-tools-1.8.2-1ubuntu0.4.md) | May 28, 2025 |
| Linux | vpx-tools Ubuntu 22.04.1 LTS (jammy) | 1.11.0-2ubuntu2.4 | [vpx-tools 1.11.0-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vpx-tools-1.11.0-2ubuntu2.4.md) | May 28, 2025 |
| Linux | vpx-tools Ubuntu 24.04.5 LTS (noble) | 1.14.0-1ubuntu2.2 | [vpx-tools 1.14.0-1ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vpx-tools-1.14.0-1ubuntu2.2.md) | May 28, 2025 |
| Linux | vpx-tools Ubuntu 24.10 (oracular) | 1.14.1-1ubuntu1.1 | [vpx-tools 1.14.1-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-vpx-tools-1.14.1-1ubuntu1.1.md) | May 29, 2025 |
| Linux | vpx-tools Ubuntu 25.04 (plucky) | 1.15.0-2ubuntu0.1 | [vpx-tools 1.15.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-vpx-tools-1.15.0-2ubuntu0.1.md) | May 29, 2025 |
| Linux | xul-ext-calendar-timezones Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [xul-ext-calendar-timezones 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | xul-ext-gdata-provider Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [xul-ext-gdata-provider 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | xul-ext-lightning Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [xul-ext-lightning 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-lightning-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |

---

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