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Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests extension (X.Org xwayland)

CVE-2025-49176
HIGH 7.3

At a glance

Source
NVD
EPSS
EPSS 0.37 % · percentile 30 ()
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Deferred

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Description

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.

Weaknesses (CWE)

  • CWE-190 — Integer Overflow or Wraparound

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:Hredhat
CVSS 3.1HIGH 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:HNVD · secalert@redhat.com (Secondary)

European references

Affected products

ProductVersions
X.Org · xwaylandaffected 0 < 24.1.7
Red Hat · Red Hat Enterprise Linux 10unaffected 0:24.1.5-4.el10_0 < *
Red Hat · Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSIONunaffected 0:1.1.0-25.el6_10.1 < *
Red Hat · Red Hat Enterprise Linux 7.7 Advanced Update Supportunaffected 0:1.8.0-17.el7_7.1 < *
Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Supportunaffected 0:1.20.4-32.el7_9 < *
Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Supportunaffected 0:1.8.0-36.el7_9.2 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:1.20.11-26.el8_10 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:21.1.3-18.el8_10 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:1.15.0-7.el8_10 < *
Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update Supportunaffected 0:1.9.0-15.el8_2.14 < *
Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update Supportunaffected 0:1.20.6-4.el8_2 < *
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected 0:1.20.10-2.el8_4 < *
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected 0:1.11.0-8.el8_4.13 < *
Red Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onunaffected 0:1.20.10-2.el8_4 < *
Red Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onunaffected 0:1.11.0-8.el8_4.13 < *
Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportunaffected 0:1.12.0-6.el8_6.14 < *
Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportunaffected 0:21.1.3-2.el8_6.4 < *
Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportunaffected 0:1.20.11-5.el8_6.3 < *
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-Onunaffected 0:1.12.0-6.el8_6.14 < *
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-Onunaffected 0:21.1.3-2.el8_6.4 < *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD