High 7.0Published Feb 5, 2025

CVE-2025-0665eventfd double close

Updated under an hour ago (2026-10-19 06:10 UTC)

Does this affect you?

It affects curl and 26 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for curl

Exploited in the last 30 days

libcurl would wrongly close the same eventfd file descriptor twice when taking down a connection channel after having completed a threaded name resolve.

CVSS: 7.0 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Weakness (CWE): CWE-1341
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: curl
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

curl curl curl:curl (from the name)	from 8.11.1 through 8.11.1	CNA record
Siemens RUGGEDCOM RST2428P siemens:ruggedcom_rst2428p (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family siemens:scalance_xc_300_xr_300_xc_400_xr_500wg_xr_500_family (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XCH328 siemens:scalance_xch328 (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XCM324 siemens:scalance_xcm324 (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XCM328 siemens:scalance_xcm328 (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XCM332 siemens:scalance_xcm332 (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XRH334 (24 V DC, 8xFO, CC) siemens:scalance_xrh334_24_v_dc_8xfo_cc (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XRM334 (230 V AC, 12xFO) siemens:scalance_xrm334_230_v_ac_12xfo (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XRM334 (230 V AC, 8xFO) siemens:scalance_xrm334_230_v_ac_8xfo (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) siemens:scalance_xrm334_230v_ac_2x10g_24xsfp_8xsfp+ (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XRM334 (24 V DC, 12xFO) siemens:scalance_xrm334_24_v_dc_12xfo (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XRM334 (24 V DC, 8xFO) siemens:scalance_xrm334_24_v_dc_8xfo (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) siemens:scalance_xrm334_24v_dc_2x10g_24xsfp_8xsfp+ (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XRM334 (2x230 V AC, 12xFO) siemens:scalance_xrm334_2x230_v_ac_12xfo (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XRM334 (2x230 V AC, 8xFO) siemens:scalance_xrm334_2x230_v_ac_8xfo (from the name)	before V3.3	CISA ADP
Siemens SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) siemens:scalance_xrm334_2x230v_ac_2x10g_24xsfp_8xsfp+ (from the name)	before V3.3	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
haxx curl haxx:curl	8.11.1	NVD
netapp bootstrap_os netapp:bootstrap_os	all versions	NVD
netapp h300s_firmware netapp:h300s_firmware	all versions	NVD
netapp h410c_firmware netapp:h410c_firmware	all versions	NVD
netapp h410s_firmware netapp:h410s_firmware	all versions	NVD
netapp h500s_firmware netapp:h500s_firmware	all versions	NVD
netapp h700s_firmware netapp:h700s_firmware	all versions	NVD

References

https://curl.se/docs/CVE-2025-0665.jsonvendor-advisory
https://curl.se/docs/CVE-2025-0665.htmlvendor-advisory
https://hackerone.com/reports/2954286exploit, issue-tracking, third-party-advisory
http://www.openwall.com/lists/oss-security/2025/02/05/2mailing-list, third-party-advisory
http://www.openwall.com/lists/oss-security/2025/02/05/5mailing-list, third-party-advisory
https://security.netapp.com/advisory/ntap-20250306-0007/third-party-advisory
https://cert-portal.siemens.com/productcert/html/ssa-089022.html
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.