Riskcovery

CVE-2025-49179

Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension

State
Published
Severity
7.3 High
Published
Jun 17, 2025
Updated
Jun 30, 2026
Reserved
Jun 3, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.3 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:Hredhat

Weaknesses

  • CWE-190 Integer Overflow or Wraparound

Affected Products

ProductVersions
xwaylandX.Org
  • before 24.1.7Affected
Red Hat Enterprise Linux 10Red Hat
  • 0:24.1.5-4.el10_0 and laterNot affected
Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSIONRed Hat
  • 0:1.1.0-25.el6_10.1 and laterNot affected
Red Hat Enterprise Linux 7.7 Advanced Update SupportRed Hat
  • 0:1.8.0-17.el7_7.1 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat
  • 0:1.20.4-32.el7_9 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat
  • 0:1.8.0-36.el7_9.2 and laterNot affected
Red Hat Enterprise Linux 8Red Hat
  • 0:1.20.11-26.el8_10 and laterNot affected
Red Hat Enterprise Linux 8Red Hat
  • 0:21.1.3-18.el8_10 and laterNot affected
Red Hat Enterprise Linux 8Red Hat
  • 0:1.15.0-7.el8_10 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat
  • 0:1.9.0-15.el8_2.14 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat
  • 0:1.20.6-4.el8_2 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat
  • 0:1.20.10-2.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat
  • 0:1.11.0-8.el8_4.13 and laterNot affected
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat
  • 0:1.20.10-2.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat
  • 0:1.11.0-8.el8_4.13 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat
  • 0:1.12.0-6.el8_6.14 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat
  • 0:21.1.3-2.el8_6.4 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat
  • 0:1.20.11-5.el8_6.3 and laterNot affected
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRed Hat
  • 0:1.12.0-6.el8_6.14 and laterNot affected
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRed Hat
  • 0:21.1.3-2.el8_6.4 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat
  • 0:1.12.0-6.el8_6.14 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat
  • 0:21.1.3-2.el8_6.4 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat
  • 0:1.20.11-5.el8_6.3 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat
  • 0:1.12.0-6.el8_6.14 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat
  • 0:21.1.3-2.el8_6.4 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat
  • 0:1.20.11-5.el8_6.3 and laterNot affected
Red Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-OnRed Hat
  • 0:1.20.11-16.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-OnRed Hat
  • 0:21.1.3-11.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat
  • 0:1.20.11-16.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat
  • 0:1.12.0-15.el8_8.14 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat
  • 0:21.1.3-11.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat
  • 0:1.20.11-16.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat
  • 0:1.12.0-15.el8_8.14 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat
  • 0:21.1.3-11.el8_8 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:1.20.11-31.el9_6 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:23.2.7-4.el9_6 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:1.14.1-8.el9_6 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat
  • 0:21.1.3-3.el9_0 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat
  • 0:1.20.11-11.el9_0 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat
  • 0:1.11.0-22.el9_0.15 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat
  • 0:21.1.3-8.el9_2 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat
  • 0:1.20.11-18.el9_2 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat
  • 0:1.12.0-14.el9_2.12 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat
  • 0:22.1.9-6.el9_4 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat
  • 0:1.20.11-26.el9_4 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat
  • 0:1.13.1-8.el9_4.7 and laterNot affected
Red Hat Enterprise Linux 6Red Hat

    References

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