CVE-2025-49178

See a problem?
Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2025-49178
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-49178.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-49178
Downstream
Related
Published
2025-06-17T15:15:45.813Z
Modified
2025-12-13T04:55:12.780181Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.

References

Affected packages

Git / gitlab.freedesktop.org/xorg/xserver

Affected ranges

Type
GIT
Repo
https://gitlab.freedesktop.org/xorg/xserver
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
d55c54cecb5e83eaa2d56bed5cc4461f9ba318c2

Affected versions

Other

DAMAGE-XFIXES-BASE
DRI-XFree86-4_3_99_12-merge
DRI-trunk-20040613
DRI-trunk-20040721
DRM-1_0_5
DRM-20040613
DRM-20040721
DRM-20050615
DRM-20051017
DRM-2_0_0
Domain-base
Domain-sync1
Domain-sync2
Domain-sync3
Domain-sync4
MODULAR_COPY
PRE_xf86-4_3_0_1
XACE-SELINUX-BASE
XACE-SELINUX-MERGE
XEVIE-BASE
XEVIE-MERGE
XORG-6_7_99_1
XORG-6_7_99_2
XORG-6_7_99_901
XORG-6_7_99_902
XORG-6_7_99_903
XORG-6_7_99_904
XORG-6_8_0
XORG-6_8_99_1
XORG-6_8_99_10
XORG-6_8_99_11
XORG-6_8_99_12
XORG-6_8_99_13
XORG-6_8_99_14
XORG-6_8_99_15
XORG-6_8_99_16
XORG-6_8_99_2
XORG-6_8_99_3
XORG-6_8_99_4
XORG-6_8_99_5
XORG-6_8_99_6
XORG-6_8_99_7
XORG-6_8_99_8
XORG-6_8_99_9
XORG-6_8_99_900
XORG-6_8_99_901
XORG-6_8_99_902
XORG-6_8_99_903
XORG-6_99_99_900
XORG-6_99_99_901
XORG-6_99_99_902
XORG-6_99_99_903
XORG-6_99_99_904
XORG-7_0
XORG-7_0_99_901
XORG-CURRENT-CLOSED
XORG-CURRENT-premerge-release-1
XORG-MAIN
XORG-RELEASE-1-BASE
add-Xi
ah-20021030
ah-20021030-postdri
before-mesa-4_0-import
before_20040421_xprint_branch_landing
dhd-20010328
dhd-20010817
dhd-20020916
dri-0-1-branchpoint
dri-20020129-merge
dri-20020222-merge
kdrive-initial-import
keithp
lg3d-base
pre-R651-import
pre-xgldrop-merge
sco_port_update-base
xf-3_9_16Z
xf-3_9_16Za
xf-3_9_16d
xf-3_9_16e
xf-3_9_16f
xf-3_9_17
xf-3_9_17Z
xf-3_9_17a
xf-3_9_17b
xf-3_9_17c
xf-3_9_17d
xf-3_9_17e
xf-3_9_17f
xf-3_9_18
xf-3_9_18Z
xf-3_9_18Za
xf-3_9_18a
xf-3_9_18b
xf-4_0
xf-4_0-bindist
xf-4_0Z
xf-4_0_1
xf-4_0_1-bindist
xf-4_0_1Z
xf-4_0_1Za
xf-4_0_1Zb
xf-4_0_1Zc
xf-4_0_1a
xf-4_0_1b
xf-4_0_1c
xf-4_0_1d
xf-4_0_1e
xf-4_0_1f
xf-4_0_1g
xf-4_0_1h
xf-4_0_2
xf-4_0_2-bindist
xf-4_0_99_1
xf-4_0_99_2
xf-4_0_99_3
xf-4_0_99_900
xf-4_0a
xf-4_0b
xf-4_0c
xf-4_0d
xf-4_0e
xf-4_0f
xf-4_0g
xf-4_1_99_1
xf-4_1_99_2
xf-4_1_99_3
xf-4_1_99_4
xf-4_1_99_5
xf-4_1_99_6
xf-4_1_99_7
xf-4_2-bp
xf-4_2_0
xf-4_2_0-bindist
xf-4_2_0-bindist-1
xf-4_2_0_1
xf-4_2_1
xf-4_2_1_1
xf-4_2_99_1
xf-4_2_99_2
xf-4_2_99_3
xf-4_2_99_4
xf-4_2_99_901
xf-4_2_99_902
xf-4_3_0
xf-4_3_0_1
xf-4_3_99_1
xf-4_3_99_2
xf-4_3_99_3
xf-4_3_99_4
xf-4_3_99_5
xf-4_3_99_6
xf86-012804-2330
xf86-4_3_0_1
xf86-4_3_99_16
xf86-4_3_99_901
xf86-4_3_99_902
xf86-4_3_99_903
xf86-4_3_99_903_special
xf86-4_4_0
xf86-4_4_99_1
xfixes_2_branchpoint
xorg-server-0_99_1
xorg-server-1_0_99_1
xorg-server-1_0_99_2
xorg-server-1_0_99_901
xorg-server-1_1_99_1
xorg-server-1_1_99_2

xorg-server-1.*

xorg-server-1.1.99.3
xorg-server-1.10.0
xorg-server-1.10.99.901
xorg-server-1.10.99.902
xorg-server-1.11.0
xorg-server-1.11.99.1
xorg-server-1.11.99.2
xorg-server-1.11.99.901
xorg-server-1.11.99.902
xorg-server-1.11.99.903
xorg-server-1.12.0
xorg-server-1.12.99.901
xorg-server-1.12.99.902
xorg-server-1.12.99.903
xorg-server-1.12.99.904
xorg-server-1.12.99.905
xorg-server-1.13.0
xorg-server-1.13.99.901
xorg-server-1.13.99.902
xorg-server-1.14.0
xorg-server-1.14.99.1
xorg-server-1.14.99.2
xorg-server-1.14.99.3
xorg-server-1.14.99.901
xorg-server-1.14.99.902
xorg-server-1.14.99.903
xorg-server-1.14.99.904
xorg-server-1.14.99.905
xorg-server-1.15.0
xorg-server-1.15.99.901
xorg-server-1.15.99.902
xorg-server-1.15.99.903
xorg-server-1.15.99.904
xorg-server-1.16.0
xorg-server-1.16.99.901
xorg-server-1.16.99.902
xorg-server-1.17.0
xorg-server-1.17.99.901
xorg-server-1.17.99.902
xorg-server-1.18.0
xorg-server-1.18.99.2
xorg-server-1.18.99.901
xorg-server-1.18.99.902
xorg-server-1.19.0
xorg-server-1.19.99.901
xorg-server-1.19.99.902
xorg-server-1.19.99.903
xorg-server-1.19.99.904
xorg-server-1.19.99.905
xorg-server-1.2.99.0
xorg-server-1.20.0
xorg-server-1.3.99.0
xorg-server-1.5.99.1
xorg-server-1.6.99.900
xorg-server-1.6.99.901
xorg-server-1.7.99.1
xorg-server-1.7.99.2
xorg-server-1.7.99.901
xorg-server-1.7.99.902
xorg-server-1.8.0
xorg-server-1.8.99.901
xorg-server-1.8.99.902
xorg-server-1.8.99.903
xorg-server-1.8.99.904
xorg-server-1.8.99.905
xorg-server-1.8.99.906
xorg-server-1.9.0
xorg-server-1.9.99.901
xorg-server-1.9.99.902
xorg-server-1.9.99.903

xorg-server-21.*

xorg-server-21.0.99.1

Database specific

vanir_signatures

[
    {
        "digest": {
            "line_hashes": [
                "49490485538664277832368018629114977804",
                "182984071833640565485484641613358548809",
                "136202989413961142353070283913474787704",
                "263635956527088540783617927613448334657"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2025-49178-464e6598",
        "target": {
            "file": "os/io.c"
        },
        "source": "https://gitlab.freedesktop.org/xorg/xserver@d55c54cecb5e83eaa2d56bed5cc4461f9ba318c2"
    },
    {
        "digest": {
            "function_hash": "277937925568826092185758214372561750605",
            "length": 3848.0
        },
        "signature_type": "Function",
        "deprecated": false,
        "signature_version": "v1",
        "id": "CVE-2025-49178-e674e87e",
        "target": {
            "file": "os/io.c",
            "function": "ReadRequestFromClient"
        },
        "source": "https://gitlab.freedesktop.org/xorg/xserver@d55c54cecb5e83eaa2d56bed5cc4461f9ba318c2"
    }
]