CVE-2025-49176
CVE-2025-49176 · Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests extension
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check.
CVSS 7.3 · High · EPSS 0.4% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
xwayland
- Versions
- ≥ 0, < 24.1.7: Affected (semver)
Update to 24.1.7
red hat enterprise linux 10
- Versions
- ≥ 0:24.1.5-4.el10_0: Not affected (rpm)
No fix published
red hat enterprise linux 6 extended lifecycle support - extension
- Versions
- ≥ 0:1.1.0-25.el6_10.1: Not affected (rpm)
No fix published
red hat enterprise linux 7.7 advanced update support
- Versions
- ≥ 0:1.8.0-17.el7_7.1: Not affected (rpm)
No fix published
red hat enterprise linux 7 extended lifecycle support
- Versions
- ≥ 0:1.20.4-32.el7_9: Not affected (rpm)
No fix published
red hat enterprise linux 7 extended lifecycle support
- Versions
- ≥ 0:1.8.0-36.el7_9.2: Not affected (rpm)
No fix published
red hat enterprise linux 8
- Versions
- ≥ 0:1.20.11-26.el8_10: Not affected (rpm)
No fix published
red hat enterprise linux 8
- Versions
- ≥ 0:21.1.3-18.el8_10: Not affected (rpm)
No fix published
red hat enterprise linux 8
- Versions
- ≥ 0:1.15.0-7.el8_10: Not affected (rpm)
No fix published
red hat enterprise linux 8.2 advanced update support
- Versions
- ≥ 0:1.9.0-15.el8_2.14: Not affected (rpm)
No fix published
red hat enterprise linux 8.2 advanced update support
- Versions
- ≥ 0:1.20.6-4.el8_2: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 advanced mission critical update support
- Versions
- ≥ 0:1.20.10-2.el8_4: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 advanced mission critical update support
- Versions
- ≥ 0:1.11.0-8.el8_4.13: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 extended update support long-life add-on
- Versions
- ≥ 0:1.20.10-2.el8_4: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 extended update support long-life add-on
- Versions
- ≥ 0:1.11.0-8.el8_4.13: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 advanced mission critical update support
- Versions
- ≥ 0:1.12.0-6.el8_6.14: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 advanced mission critical update support
- Versions
- ≥ 0:21.1.3-2.el8_6.4: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 advanced mission critical update support
- Versions
- ≥ 0:1.20.11-5.el8_6.3: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 extended update support long-life add-on
- Versions
- ≥ 0:1.12.0-6.el8_6.14: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 extended update support long-life add-on
- Versions
- ≥ 0:21.1.3-2.el8_6.4: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 telecommunications update service
- Versions
- ≥ 0:1.12.0-6.el8_6.14: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 telecommunications update service
- Versions
- ≥ 0:21.1.3-2.el8_6.4: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 telecommunications update service
- Versions
- ≥ 0:1.20.11-5.el8_6.3: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 update services for sap solutions
- Versions
- ≥ 0:1.12.0-6.el8_6.14: Not affected (rpm)
No fix published
Original sources
- https://access.redhat.com/errata/RHSA-2025:10258
- https://access.redhat.com/errata/RHSA-2025:10342
- https://access.redhat.com/errata/RHSA-2025:10343
- https://access.redhat.com/errata/RHSA-2025:10344
- https://access.redhat.com/errata/RHSA-2025:10346
- https://access.redhat.com/errata/RHSA-2025:10347
- https://access.redhat.com/errata/RHSA-2025:10348
- https://access.redhat.com/errata/RHSA-2025:10349
- https://access.redhat.com/errata/RHSA-2025:10350
- https://access.redhat.com/errata/RHSA-2025:10351
- https://access.redhat.com/errata/RHSA-2025:10352
- https://access.redhat.com/errata/RHSA-2025:10355
- https://access.redhat.com/errata/RHSA-2025:10356
- https://access.redhat.com/errata/RHSA-2025:10360
- https://access.redhat.com/errata/RHSA-2025:10370
- https://access.redhat.com/errata/RHSA-2025:10374
- https://access.redhat.com/errata/RHSA-2025:10375
- https://access.redhat.com/errata/RHSA-2025:10376
- https://access.redhat.com/errata/RHSA-2025:10377
- https://access.redhat.com/errata/RHSA-2025:10378
- https://access.redhat.com/errata/RHSA-2025:10381
- https://access.redhat.com/errata/RHSA-2025:10410
- https://access.redhat.com/errata/RHSA-2025:9303
- https://nvd.nist.gov/vuln/detail/CVE-2025-49176