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Vulnerability details: VCID-qphh-snuf-tug9
Vulnerability ID VCID-qphh-snuf-tug9
Aliases CVE-2026-20636
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 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-20636.json
epss 0.0006 https://api.first.org/data/v1/epss?cve=CVE-2026-20636
epss 0.0006 https://api.first.org/data/v1/epss?cve=CVE-2026-20636
cvssv3.1 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 6.5 https://support.apple.com/en-us/126346
ssvc Track https://support.apple.com/en-us/126346
cvssv3.1 6.5 https://support.apple.com/en-us/126348
ssvc Track https://support.apple.com/en-us/126348
cvssv3.1 6.5 https://support.apple.com/en-us/126353
ssvc Track https://support.apple.com/en-us/126353
cvssv3.1 6.5 https://support.apple.com/en-us/126354
ssvc Track https://support.apple.com/en-us/126354
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-20636.json
https://api.first.org/data/v1/epss?cve=CVE-2026-20636
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20636
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
126346 https://support.apple.com/en-us/126346
126348 https://support.apple.com/en-us/126348
126353 https://support.apple.com/en-us/126353
126354 https://support.apple.com/en-us/126354
2448791 https://bugzilla.redhat.com/show_bug.cgi?id=2448791
RHSA-2026:10702 https://access.redhat.com/errata/RHSA-2026:10702
RHSA-2026:11329 https://access.redhat.com/errata/RHSA-2026:11329
RHSA-2026:11814 https://access.redhat.com/errata/RHSA-2026:11814
RHSA-2026:13845 https://access.redhat.com/errata/RHSA-2026:13845
RHSA-2026:14659 https://access.redhat.com/errata/RHSA-2026:14659
RHSA-2026:16056 https://access.redhat.com/errata/RHSA-2026:16056
RHSA-2026:16695 https://access.redhat.com/errata/RHSA-2026:16695
RHSA-2026:19206 https://access.redhat.com/errata/RHSA-2026:19206
RHSA-2026:19535 https://access.redhat.com/errata/RHSA-2026:19535
RHSA-2026:22136 https://access.redhat.com/errata/RHSA-2026:22136
RHSA-2026:9692 https://access.redhat.com/errata/RHSA-2026:9692
USN-8237-1 https://usn.ubuntu.com/8237-1/
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/hydra/rest/securitydata/cve/CVE-2026-20636.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:N/I:N/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:N/I:N/A:H Found at https://support.apple.com/en-us/126346
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/2026-02-13T20:05:15Z/ Found at https://support.apple.com/en-us/126346
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.apple.com/en-us/126348
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/2026-02-13T20:05:15Z/ Found at https://support.apple.com/en-us/126348
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.apple.com/en-us/126353
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/2026-02-13T20:05:15Z/ Found at https://support.apple.com/en-us/126353
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.apple.com/en-us/126354
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/2026-02-13T20:05:15Z/ Found at https://support.apple.com/en-us/126354
Exploit Prediction Scoring System (EPSS)
Percentile 0.18883
EPSS Score 0.0006
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-10T18:13:47.928889+00:00 SUSE Severity Score Importer Import https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml 38.6.0