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Vulnerability details: VCID-nw9j-ggq9-uqaq
Vulnerability ID VCID-nw9j-ggq9-uqaq
Aliases CVE-2025-40775
Summary bind: DNS message with invalid TSIG causes an assertion failure
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-617 Reachable Assertion
CWE-232 Improper Handling of Undefined Values
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-40775.json
epss 0.00138 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00138 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00138 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
epss 0.00181 https://api.first.org/data/v1/epss?cve=CVE-2025-40775
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://kb.isc.org/docs/cve-2025-40775
ssvc Track https://kb.isc.org/docs/cve-2025-40775
archlinux High https://security.archlinux.org/AVG-2881
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-40775.json
https://api.first.org/data/v1/epss?cve=CVE-2025-40775
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2367442 https://bugzilla.redhat.com/show_bug.cgi?id=2367442
ASA-202505-14 https://security.archlinux.org/ASA-202505-14
AVG-2881 https://security.archlinux.org/AVG-2881
cve-2025-40775 https://kb.isc.org/docs/cve-2025-40775
USN-7526-1 https://usn.ubuntu.com/7526-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-40775.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:N/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:N/S:U/C:N/I:N/A:H Found at https://kb.isc.org/docs/cve-2025-40775
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:Y/T:P/P:M/B:A/M:M/D:T/2025-05-21T13:19:58Z/ Found at https://kb.isc.org/docs/cve-2025-40775
Exploit Prediction Scoring System (EPSS)
Percentile 0.33884
EPSS Score 0.00138
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:40:03.058366+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-40775.json 38.0.0