# CVE-2025-7519: Polkit: xml policy file with a large number of nested elements may lead to out-of-bounds write CVE-2025-7519 is fixed in 14 products on 1 platform, first by DEBIAN-CVE-2025-7519, released July 14, 2025. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2025-7519 - Priority: Routine - CVSS: 6.7 (Moderate) - EPSS: 0.0022 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jul 14, 2025 - Weakness: Out-of-bounds Write - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-7519 ## Description A flaw was found in polkit. When processing an XML policy with 32 or more nested elements in depth, an out-of-bounds write can be triggered. This issue can lead to a crash or other unexpected behavior, and arbitrary code execution is not discarded. To exploit this flaw, a high-privilege account is needed as it's required to place the malicious policy file properly. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | gir1.2-polkit-1.0 Ubuntu 22.04.1 LTS (jammy) | 0.105-33ubuntu0.1 | [gir1.2-polkit-1.0 0.105-33ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-polkit-1.0-0.105-33ubuntu0.1.md) | Mar 26, 2026 | | Linux | gir1.2-polkit-1.0 Ubuntu 24.04.5 LTS (noble) | 124-2ubuntu1.24.04.3 | [gir1.2-polkit-1.0 124-2ubuntu1.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gir1.2-polkit-1.0-124-2ubuntu1.24.04.3.md) | Mar 26, 2026 | | Linux | gir1.2-polkit-1.0 Ubuntu 25.10 (questing) | 126-2ubuntu0.1 | [gir1.2-polkit-1.0 126-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-gir1.2-polkit-1.0-126-2ubuntu0.1.md) | Mar 26, 2026 | | Linux | libpolkit-agent-1-0 Ubuntu 22.04.1 LTS (jammy) | 0.105-33ubuntu0.1 | [libpolkit-agent-1-0 0.105-33ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libpolkit-agent-1-0-0.105-33ubuntu0.1.md) | Mar 26, 2026 | | Linux | libpolkit-agent-1-0 Ubuntu 24.04.5 LTS (noble) | 124-2ubuntu1.24.04.3 | [libpolkit-agent-1-0 124-2ubuntu1.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libpolkit-agent-1-0-124-2ubuntu1.24.04.3.md) | Mar 26, 2026 | | Linux | libpolkit-agent-1-0 Ubuntu 25.10 (questing) | 126-2ubuntu0.1 | [libpolkit-agent-1-0 126-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libpolkit-agent-1-0-126-2ubuntu0.1.md) | Mar 26, 2026 | | Linux | libpolkit-gobject-1-0 Ubuntu 22.04.1 LTS (jammy) | 0.105-33ubuntu0.1 | [libpolkit-gobject-1-0 0.105-33ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libpolkit-gobject-1-0-0.105-33ubuntu0.1.md) | Mar 26, 2026 | | Linux | libpolkit-gobject-1-0 Ubuntu 24.04.5 LTS (noble) | 124-2ubuntu1.24.04.3 | [libpolkit-gobject-1-0 124-2ubuntu1.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libpolkit-gobject-1-0-124-2ubuntu1.24.04.3.md) | Mar 26, 2026 | | Linux | libpolkit-gobject-1-0 Ubuntu 25.10 (questing) | 126-2ubuntu0.1 | [libpolkit-gobject-1-0 126-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libpolkit-gobject-1-0-126-2ubuntu0.1.md) | Mar 26, 2026 | | Linux | pkexec Ubuntu 22.04.1 LTS (jammy) | 0.105-33ubuntu0.1 | [pkexec 0.105-33ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pkexec-0.105-33ubuntu0.1.md) | Mar 26, 2026 | | Linux | pkexec Ubuntu 24.04.5 LTS (noble) | 124-2ubuntu1.24.04.3 | [pkexec 124-2ubuntu1.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-pkexec-124-2ubuntu1.24.04.3.md) | Mar 26, 2026 | | Linux | pkexec Ubuntu 25.10 (questing) | 126-2ubuntu0.1 | [pkexec 126-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-pkexec-126-2ubuntu0.1.md) | Mar 26, 2026 | | Linux | policykit-1 Debian 14 | 127-1 | [DEBIAN-CVE-2025-7519](https://patchblox.com/security/data/fix/linux/debian-cve-2025-7519.md) | Jul 14, 2025 | | Linux | policykit-1 Ubuntu 22.04.1 LTS (jammy) | 0.105-33ubuntu0.1 | [policykit-1 0.105-33ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-policykit-1-0.105-33ubuntu0.1.md) | Mar 26, 2026 | | Linux | policykit-1 Ubuntu 24.04.5 LTS (noble) | 124-2ubuntu1.24.04.3 | [policykit-1 124-2ubuntu1.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-policykit-1-124-2ubuntu1.24.04.3.md) | Mar 26, 2026 | | Linux | polkit amzn 2023 | 125-1.amzn2023.0.2 | [ALAS2023-2025-1217](https://patchblox.com/security/data/fix/linux/alas2023-2025-1217.md) | Oct 14, 2025 | | Linux | polkit opensuse-leap 15.6 | 121-150500.3.6.1 | [SUSE-SU-2025:02527-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02527-1.md) | Jul 25, 2025 | | Linux | polkit sles 15.6 | 121-150500.3.6.1 | [SUSE-SU-2025:02527-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02527-1.md) | Jul 25, 2025 | | Linux | polkit sles 15.7 | 121-150500.3.6.1 | [SUSE-SU-2025:02527-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02527-1.md) | Jul 25, 2025 | | Linux | polkit-debuginfo amzn 2023 | 125-1.amzn2023.0.2 | [ALAS2023-2025-1217](https://patchblox.com/security/data/fix/linux/alas2023-2025-1217.md) | Oct 14, 2025 | | Linux | polkit-debugsource amzn 2023 | 125-1.amzn2023.0.2 | [ALAS2023-2025-1217](https://patchblox.com/security/data/fix/linux/alas2023-2025-1217.md) | Oct 14, 2025 | | Linux | polkit-devel amzn 2023 | 125-1.amzn2023.0.2 | [ALAS2023-2025-1217](https://patchblox.com/security/data/fix/linux/alas2023-2025-1217.md) | Oct 14, 2025 | | Linux | polkit-docs amzn 2023 | 125-1.amzn2023.0.2 | [ALAS2023-2025-1217](https://patchblox.com/security/data/fix/linux/alas2023-2025-1217.md) | Oct 14, 2025 | | Linux | polkit-libs amzn 2023 | 125-1.amzn2023.0.2 | [ALAS2023-2025-1217](https://patchblox.com/security/data/fix/linux/alas2023-2025-1217.md) | Oct 14, 2025 | | Linux | polkit-libs-debuginfo amzn 2023 | 125-1.amzn2023.0.2 | [ALAS2023-2025-1217](https://patchblox.com/security/data/fix/linux/alas2023-2025-1217.md) | Oct 14, 2025 | | Linux | polkitd Ubuntu 22.04.1 LTS (jammy) | 0.105-33ubuntu0.1 | [polkitd 0.105-33ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-polkitd-0.105-33ubuntu0.1.md) | Mar 26, 2026 | | Linux | polkitd Ubuntu 24.04.5 LTS (noble) | 124-2ubuntu1.24.04.3 | [polkitd 124-2ubuntu1.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-polkitd-124-2ubuntu1.24.04.3.md) | Mar 26, 2026 | | Linux | polkitd Ubuntu 25.10 (questing) | 126-2ubuntu0.1 | [polkitd 126-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-polkitd-126-2ubuntu0.1.md) | Mar 26, 2026 | | Linux | polkitd-pkla Ubuntu 24.04.5 LTS (noble) | 124-2ubuntu1.24.04.3 | [polkitd-pkla 124-2ubuntu1.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-polkitd-pkla-124-2ubuntu1.24.04.3.md) | Mar 26, 2026 | --- Data as of 2026-11-08T06:59:42Z UTC. 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