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Vulnerability details: VCID-znuc-cvf3-xbgu
Vulnerability ID VCID-znuc-cvf3-xbgu
Aliases CVE-2025-66287
Summary
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:22789
ssvc Track https://access.redhat.com/errata/RHSA-2025:22789
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:22790
ssvc Track https://access.redhat.com/errata/RHSA-2025:22790
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:23110
ssvc Track https://access.redhat.com/errata/RHSA-2025:23110
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:23433
ssvc Track https://access.redhat.com/errata/RHSA-2025:23433
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:23434
ssvc Track https://access.redhat.com/errata/RHSA-2025:23434
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:23451
ssvc Track https://access.redhat.com/errata/RHSA-2025:23451
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:23452
ssvc Track https://access.redhat.com/errata/RHSA-2025:23452
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:23583
ssvc Track https://access.redhat.com/errata/RHSA-2025:23583
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:23591
ssvc Track https://access.redhat.com/errata/RHSA-2025:23591
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:23742
ssvc Track https://access.redhat.com/errata/RHSA-2025:23742
cvssv3.1 8.8 https://access.redhat.com/errata/RHSA-2025:23743
ssvc Track https://access.redhat.com/errata/RHSA-2025:23743
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66287.json
cvssv3.1 8.8 https://access.redhat.com/security/cve/CVE-2025-66287
ssvc Track https://access.redhat.com/security/cve/CVE-2025-66287
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2025-66287
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2025-66287
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2025-66287
cvssv3.1 8.8 https://bugzilla.redhat.com/show_bug.cgi?id=2418857
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2418857
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 8.8 https://webkitgtk.org/security/WSA-2025-0009.html
ssvc Track https://webkitgtk.org/security/WSA-2025-0009.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66287.json
https://api.first.org/data/v1/epss?cve=CVE-2025-66287
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-66287
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cpe:/a:redhat:enterprise_linux:8::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:enterprise_linux:8::appstream
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:rhel_aus:8.2::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_aus:8.2::appstream
cpe:/a:redhat:rhel_aus:8.4::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_aus:8.4::appstream
cpe:/a:redhat:rhel_aus:8.6::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_aus:8.6::appstream
cpe:/a:redhat:rhel_e4s:8.6::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:8.6::appstream
cpe:/a:redhat:rhel_e4s:8.8::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:8.8::appstream
cpe:/a:redhat:rhel_e4s:9.0::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:9.0::appstream
cpe:/a:redhat:rhel_e4s:9.2::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_e4s:9.2::appstream
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:/a:redhat:rhel_eus:9.6::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_eus:9.6::appstream
cpe:/a:redhat:rhel_eus_long_life:8.4::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
cpe:/a:redhat:rhel_tus:8.6::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_tus:8.6::appstream
cpe:/a:redhat:rhel_tus:8.8::appstream https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhel_tus:8.8::appstream
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:rhel_els:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:rhel_els:7
CVE-2025-66287 https://access.redhat.com/security/cve/CVE-2025-66287
RHSA-2025:22789 https://access.redhat.com/errata/RHSA-2025:22789
RHSA-2025:22790 https://access.redhat.com/errata/RHSA-2025:22790
RHSA-2025:23110 https://access.redhat.com/errata/RHSA-2025:23110
RHSA-2025:23433 https://access.redhat.com/errata/RHSA-2025:23433
RHSA-2025:23434 https://access.redhat.com/errata/RHSA-2025:23434
RHSA-2025:23451 https://access.redhat.com/errata/RHSA-2025:23451
RHSA-2025:23452 https://access.redhat.com/errata/RHSA-2025:23452
RHSA-2025:23583 https://access.redhat.com/errata/RHSA-2025:23583
RHSA-2025:23591 https://access.redhat.com/errata/RHSA-2025:23591
RHSA-2025:23742 https://access.redhat.com/errata/RHSA-2025:23742
RHSA-2025:23743 https://access.redhat.com/errata/RHSA-2025:23743
show_bug.cgi?id=2418857 https://bugzilla.redhat.com/show_bug.cgi?id=2418857
USN-7941-1 https://usn.ubuntu.com/7941-1/
WSA-2025-0009.html https://webkitgtk.org/security/WSA-2025-0009.html
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:22789
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

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none

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required

unchanged

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low

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:22789
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:22790
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

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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/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:22790
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:23110
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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none

required

unchanged

changed

high

low

none

high

low

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low

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:23110
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:23433
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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:23433
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:23434
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

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none

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:23434
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:23451
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

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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/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:23451
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:23452
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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:23452
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:23583
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

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unchanged

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:23583
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:23591
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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required

unchanged

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high

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none

high

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high

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:23591
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:23742
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

changed

high

low

none

high

low

none

high

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:23742
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2025:23743
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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high

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/errata/RHSA-2025:23743
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66287.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

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/security/cve/CVE-2025-66287
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/2025-12-04T20:55:04Z/ Found at https://access.redhat.com/security/cve/CVE-2025-66287
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=2418857
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/2025-12-04T20:55:04Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2418857
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 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

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://webkitgtk.org/security/WSA-2025-0009.html
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/2025-12-04T20:55:04Z/ Found at https://webkitgtk.org/security/WSA-2025-0009.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.22055
EPSS Score 0.00072
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-10T18:13:31.241581+00:00 SUSE Severity Score Importer Import https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml 38.6.0