CVE-2025-7519 Polkit: xml policy file with a large number of nested elements may lead to out-of-bounds write
A high-privilege attacker can trigger an out-of-bounds write in polkit via deeply nested XML, potentially causing crashes or arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-7519?
CVE-2025-7519 is a medium-severity memory corruption vulnerability in Redhat Enterprise Linux, published on 14 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2025-7519?
It affects 2 products.
Linux distribution packages (26)
polkit SUSE:Enterprise Storage 7.1 | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | All versions | 121-150500.3.6.1 |
polkit SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS | All versions | 121-150500.3.6.1 |
polkit SUSE:Linux Enterprise Micro 5.1 | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise Micro 5.2 | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise Micro 5.3 | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise Micro 5.4 | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise Micro 5.5 | All versions | 121-150500.3.6.1 |
polkit SUSE:Linux Enterprise Module for Basesystem 15 SP6 | All versions | 121-150500.3.6.1 |
polkit SUSE:Linux Enterprise Module for Basesystem 15 SP7 | All versions | 121-150500.3.6.1 |
polkit SUSE:Linux Enterprise Server 12 SP5-LTSS | All versions | 0.113-5.30.1 |
polkit SUSE:Linux Enterprise Server 15 SP3-LTSS | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise Server 15 SP4-LTSS | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise Server 15 SP5-LTSS | All versions | 121-150500.3.6.1 |
polkit SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | All versions | 0.113-5.30.1 |
polkit SUSE:Linux Enterprise Server for SAP Applications 15 SP3 | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Linux Enterprise Server for SAP Applications 15 SP5 | All versions | 121-150500.3.6.1 |
polkit SUSE:Linux Micro 6.0 | All versions | 121-3.1 |
polkit SUSE:Linux Micro 6.1 | All versions | 121-slfo.1.1_2.1 |
polkit SUSE:Manager Proxy 4.3 | All versions | 0.116-150200.3.15.1 |
polkit SUSE:Manager Server 4.3 | All versions | 0.116-150200.3.15.1 |
polkit openSUSE:Leap 15.6 | All versions | 121-150500.3.6.1 |
Products include Redhat Enterprise Linux, Redhat Openshift Container Platform.
How do I fix CVE-2025-7519?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-7519 being exploited?
There is no known exploitation of CVE-2025-7519 in the wild and no public exploit code.
Other vulnerabilities in Redhat Enterprise Linux
- CVE-2018-14667 Red Hat JBoss RichFaces Framework Expression Language Injection
- CVE-2021-20325 Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.5.0, causes a securit
- CVE-2018-25011 Memory corruption in libwebp
- CVE-2018-25014 Other in libwebp
- CVE-2014-3585 Supply chain in redhat-upgrade-tool
Sources
Also known as AZL-65379, AZL-65415, DEBIAN-CVE-2025-7519, GHSA-f8f8-m8xj-9xh7, MGASA-2026-0100, OESA-2025-1914 and 11 more.