7.5
High
CVE-2025-6021 Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
Description
A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.
CVSS 3.1 detail
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitable remotely over the network, without an account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | Versions not published | |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | Versions not published | |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | Versions not published | |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | Versions not published | |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | Versions not published | |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | Versions not published |
Show the 22 other branches Hide the 22 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | Versions not published | |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | Versions not published | |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | Versions not published | |
| Red Hat Enterprise Linux 9.4 Extended Update Support | Versions not published | |
| Red Hat JBoss Core Services 2.4.62.SP2 | Versions not published | |
| Red Hat OpenShift Container Platform 4.12 412.86 | earliest → < 412.86.202509030110-0 | 412.86.202509030110-0 |
| Red Hat OpenShift Container Platform 4.13 413.92 | earliest → < 413.92.202509030117-0 | 413.92.202509030117-0 |
| Red Hat OpenShift Container Platform 4.14 414.92 | earliest → < 414.92.202508041909-0 | 414.92.202508041909-0 |
| Red Hat OpenShift Container Platform 4.15 415.92 | earliest → < 415.92.202508192014-0 | 415.92.202508192014-0 |
| Red Hat OpenShift Container Platform 4.16 416.94 | earliest → < 416.94.202508050040-0 | 416.94.202508050040-0 |
| Red Hat OpenShift Container Platform 4.17 417.94 | earliest → < 417.94.202508141510-0 | 417.94.202508141510-0 |
| Red Hat OpenShift Container Platform 4.18 418.94 | earliest → < 418.94.202508060022-0 | 418.94.202508060022-0 |
| Red Hat OpenShift Container Platform 4.19 4.19 | earliest → < 4.19.9.6.202507230107-0 | 4.19.9.6.202507230107-0 |
| Red Hat Discovery 2 2.0 | earliest → < 2.0.1-1754478727 | 2.0.1-1754478727 |
| Red Hat Insights proxy 1.5 1.5 | earliest → < 1.5.5-1754504343 | 1.5.5-1754504343 |
| Red Hat Enterprise Linux 6 | Versions not published | |
| Red Hat Hardened Images 2.15 | earliest → < 2.15.2-0.3.hum1 | 2.15.2-0.3.hum1 |
| SIMATIC CN 4100 5.0 | earliest → < 5.0 | 5.0 |
| Red Hat In-Vehicle Operating System 1 | Versions not published | |
| Red Hat OpenShift Container Platform 4 | Versions not published |
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Not rated