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Vulnerability details: VCID-zhzr-buuy-uuf8
Vulnerability ID VCID-zhzr-buuy-uuf8
Aliases CVE-2025-0665
Summary libcurl would wrongly close the same eventfd file descriptor twice when taking down a connection channel after having completed a threaded name resolve.
Status Published
Exploitability 0.5
Weighted Severity 7.8
Risk 3.9
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-1341 Multiple Releases of Same Resource or Handle
System Score Found at
cvssv3 4.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-0665.json
epss 0.01149 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.01149 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.01149 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03247 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03504 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.03504 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.04002 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.04612 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.05132 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.05132 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.05132 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.05132 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.05132 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.05132 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
epss 0.05132 https://api.first.org/data/v1/epss?cve=CVE-2025-0665
cvssv3.1 9.8 https://curl.se/docs/CVE-2025-0665.html
cvssv3.1 Low https://curl.se/docs/CVE-2025-0665.html
ssvc Track https://curl.se/docs/CVE-2025-0665.html
cvssv3.1 9.8 https://curl.se/docs/CVE-2025-0665.json
ssvc Track https://curl.se/docs/CVE-2025-0665.json
cvssv3.1 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 9.8 https://hackerone.com/reports/2954286
ssvc Track https://hackerone.com/reports/2954286
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-0665.json
https://api.first.org/data/v1/epss?cve=CVE-2025-0665
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.netapp.com/advisory/ntap-20250306-0007/
http://www.openwall.com/lists/oss-security/2025/02/05/2
http://www.openwall.com/lists/oss-security/2025/02/05/5
2343895 https://bugzilla.redhat.com/show_bug.cgi?id=2343895
2954286 https://hackerone.com/reports/2954286
cpe:2.3:a:haxx:curl:8.11.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:8.11.1:*:*:*:*:*:*:*
CVE-2025-0665 https://nvd.nist.gov/vuln/detail/CVE-2025-0665
CVE-2025-0665.html https://curl.se/docs/CVE-2025-0665.html
CVE-2025-0665.json https://curl.se/docs/CVE-2025-0665.json
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-0665.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:H/I:H/A:H Found at https://curl.se/docs/CVE-2025-0665.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:Y/T:T/P:M/B:A/M:M/D:T/2025-02-05T14:23:58Z/ Found at https://curl.se/docs/CVE-2025-0665.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://curl.se/docs/CVE-2025-0665.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: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2025-02-05T14:23:58Z/ Found at https://curl.se/docs/CVE-2025-0665.json
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L 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:H/I:H/A:H Found at https://hackerone.com/reports/2954286
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:T/P:M/B:A/M:M/D:T/2025-02-05T14:23:58Z/ Found at https://hackerone.com/reports/2954286
Exploit Prediction Scoring System (EPSS)
Percentile 0.77698
EPSS Score 0.01149
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:51:55.159933+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.18/main.json 37.0.0