A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText() allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of the buffer and would copy the data regardless of the size.
References
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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History
13 May 2025, 20:15
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| References |
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13 May 2025, 15:15
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08 May 2025, 18:01
| Type | Values Removed | Values Added |
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| References | () https://access.redhat.com/errata/RHSA-2025:2500 - Third Party Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2025:2875 - Third Party Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2025:2862 - Third Party Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2025:2874 - Third Party Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2025:2879 - Third Party Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2025:2873 - Third Party Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2025:2865 - Third Party Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2025:2866 - Third Party Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2025:2861 - Third Party Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2025:2880 - Third Party Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2025:2502 - Third Party Advisory | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.8 |
| CPE | cpe:2.3:a:x.org:xwayland:-:*:*:*:*:*:*:* |
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:* |
| CWE | CWE-787 |
17 Mar 2025, 05:15
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17 Mar 2025, 03:15
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10 Mar 2025, 13:15
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04 Mar 2025, 17:22
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| First Time |
X.org
Redhat enterprise Linux Tigervnc tigervnc X.org xwayland Redhat X.org x Server Tigervnc |
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| CPE | cpe:2.3:a:x.org:x_server:-:*:*:*:*:*:*:* cpe:2.3:a:x.org:xwayland:-:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
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| CVSS |
v2 : v3 : |
v2 : unknown
v3 : unknown |
| CWE | ||
| References | () https://access.redhat.com/security/cve/CVE-2025-26595 - Third Party Advisory | |
| References | () https://bugzilla.redhat.com/show_bug.cgi?id=2345257 - Issue Tracking |
25 Feb 2025, 16:15
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| New CVE |
Information
Published : 2025-02-25 16:15
Updated : 2025-05-13 20:15
NVD link : CVE-2025-26595
Mitre link : CVE-2025-26595
JSON object : View
Products Affected
x.org
- x_server
- xwayland
tigervnc
- tigervnc
redhat
- enterprise_linux
CWE
CWE-787
Out-of-bounds Write