Description
A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
High
Affected products
- X.Org / xwayland0 – 24.1.7
References
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10258
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10342
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10343
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10344
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10346
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10347
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10348
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10349
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10350
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10351
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10352
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10355
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10356
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10360
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10370
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10374
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10375
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10376
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10377
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10378
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10381
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:10410
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:9303
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:9304
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:9305
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:9306
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:9392
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2025:9964
- VENDOR_ADVISORYhttps://access.redhat.com/security/cve/CVE-2025-49179
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=2369978
- MISChttps://gitlab.freedesktop.org/xorg/xserver/-/commit/2bde9ca49a8fd9a1e6697d5e7ef837870d66f5d4
- MISChttps://www.x.org/wiki/Development/Security/
Updated 31m ago · 8 sources