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
17 Mar 2025, 05:15
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17 Mar 2025, 03:15
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17 Mar 2025, 02:15
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10 Mar 2025, 13:15
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04 Mar 2025, 17:22
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| 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 | |
| CPE | cpe:2.3:a:x.org:xwayland:-:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* cpe:2.3:a:x.org:x_server:-:*:*:*:*:*:*:* cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
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| First Time |
Redhat enterprise Linux
X.org x Server Redhat X.org Tigervnc tigervnc Tigervnc X.org xwayland |
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| Summary |
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25 Feb 2025, 16:15
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| New CVE |
Information
Published : 2025-02-25 16:15
Updated : 2025-03-17 05:15
NVD link : CVE-2025-26595
Mitre link : CVE-2025-26595
CVE.ORG link : CVE-2025-26595
JSON object : View
Products Affected
x.org
- x_server
- xwayland
tigervnc
- tigervnc
redhat
- enterprise_linux
CWE
CWE-121
Stack-based Buffer Overflow