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Vulnerability details: VCID-may9-9sdj-cbbd
Vulnerability ID VCID-may9-9sdj-cbbd
Aliases CVE-2025-49177
Summary xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Data Leak in XFIXES Extension's XFixesSetClientDisconnectMode
Status Published
Exploitability 0.5
Weighted Severity 5.5
Risk 2.8
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
System Score Found at
cvssv3.1 6.1 https://access.redhat.com/errata/RHSA-2025:10258
ssvc Track https://access.redhat.com/errata/RHSA-2025:10258
cvssv3.1 6.1 https://access.redhat.com/errata/RHSA-2025:9303
ssvc Track https://access.redhat.com/errata/RHSA-2025:9303
cvssv3.1 6.1 https://access.redhat.com/errata/RHSA-2025:9304
ssvc Track https://access.redhat.com/errata/RHSA-2025:9304
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-49177.json
cvssv3.1 6.1 https://access.redhat.com/security/cve/CVE-2025-49177
ssvc Track https://access.redhat.com/security/cve/CVE-2025-49177
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00087 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00087 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00087 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00087 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00087 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00087 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
epss 0.00087 https://api.first.org/data/v1/epss?cve=CVE-2025-49177
cvssv3.1 6.1 https://bugzilla.redhat.com/show_bug.cgi?id=2369955
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2369955
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 6.1 https://gitlab.freedesktop.org/xorg/xserver/-/commit/ab02fb96b1c701c3bb47617d965522c34befa6af
ssvc Track https://gitlab.freedesktop.org/xorg/xserver/-/commit/ab02fb96b1c701c3bb47617d965522c34befa6af
cvssv3.1 6.1 https://www.x.org/wiki/Development/Security/
ssvc Track https://www.x.org/wiki/Development/Security/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-49177.json
https://api.first.org/data/v1/epss?cve=CVE-2025-49177
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1108369 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1108369
2369955 https://bugzilla.redhat.com/show_bug.cgi?id=2369955
ab02fb96b1c701c3bb47617d965522c34befa6af https://gitlab.freedesktop.org/xorg/xserver/-/commit/ab02fb96b1c701c3bb47617d965522c34befa6af
cpe:/a:redhat:enterprise_linux:9::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:enterprise_linux:9::appstream
cpe:/a:redhat:enterprise_linux:9::crb https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:enterprise_linux:9::crb
cpe:/a:redhat:rhel_eus:9.4::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_eus:9.4::appstream
cpe:/o:redhat:enterprise_linux:10.0 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:10.0
cpe:/o:redhat:enterprise_linux:6 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:9
CVE-2025-49177 https://access.redhat.com/security/cve/CVE-2025-49177
RHSA-2025:10258 https://access.redhat.com/errata/RHSA-2025:10258
RHSA-2025:9303 https://access.redhat.com/errata/RHSA-2025:9303
RHSA-2025:9304 https://access.redhat.com/errata/RHSA-2025:9304
Security https://www.x.org/wiki/Development/Security/
USN-7573-1 https://usn.ubuntu.com/7573-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L Found at https://access.redhat.com/errata/RHSA-2025:10258
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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required

unchanged

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T14:57:08Z/ Found at https://access.redhat.com/errata/RHSA-2025:10258
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L Found at https://access.redhat.com/errata/RHSA-2025:9303
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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none

required

unchanged

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T14:57:08Z/ Found at https://access.redhat.com/errata/RHSA-2025:9303
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L Found at https://access.redhat.com/errata/RHSA-2025:9304
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T14:57:08Z/ Found at https://access.redhat.com/errata/RHSA-2025:9304
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-49177.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L Found at https://access.redhat.com/security/cve/CVE-2025-49177
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T14:57:08Z/ Found at https://access.redhat.com/security/cve/CVE-2025-49177
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L Found at https://bugzilla.redhat.com/show_bug.cgi?id=2369955
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T14:57:08Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2369955
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

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none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L Found at https://gitlab.freedesktop.org/xorg/xserver/-/commit/ab02fb96b1c701c3bb47617d965522c34befa6af
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T14:57:08Z/ Found at https://gitlab.freedesktop.org/xorg/xserver/-/commit/ab02fb96b1c701c3bb47617d965522c34befa6af
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L Found at https://www.x.org/wiki/Development/Security/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-17T14:57:08Z/ Found at https://www.x.org/wiki/Development/Security/
Exploit Prediction Scoring System (EPSS)
Percentile 0.09325
EPSS Score 0.00032
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:39:26.662660+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-49177.json 38.0.0