CVE-2025-0665 [High] | Security Vulnerability in Curl

CVE-2025-0665 is rated High Exploit Risk (74.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.57%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

EDB-ID	Source	Kind	Published	Link
—	nvd_ref	exploit_tag		Exploit-DB ↗

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Published

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Exploit-DB ↗

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-03-25	4.69%	4.57%	-0.12%
2	2026-03-18	6.37%	4.69%	-1.68%
3	2026-03-16	—	6.37%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-03-25

4.69%

4.57%

-0.12%

2026-03-18

6.37%

4.69%

-1.68%

2026-03-16

—

6.37%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.0	3.1	HIGH	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:L) Some sensitive info could get out, but not a total data dump. Integrity (I:L) Attackers could change some data, but it’s limited—not everything goes. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.2	4.7	134c704f-9b21-4f2e-91b3-4a467353bcc0

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.0

3.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L): Some sensitive info could get out, but not a total data dump.
Integrity (I:L): Attackers could change some data, but it’s limited—not everything goes.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.2

4.7

134c704f-9b21-4f2e-91b3-4a467353bcc0

OS Trackers for CVE-2025-0665

vendor	priority	summary	link
`alpine`	—	CVE-2025-0665: 1 source package rows (curl); 244 state rows across 6 repos (3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 6, open 238.	https://security.alpinelinux.org/vuln/CVE-2025-0665
`debian`	unimportant	CVE-2025-0665 unimportant priority: Debian including 1 source packages (curl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2025-0665
`redhat`	low	—	https://access.redhat.com/security/cve/CVE-2025-0665
`suse`	medium	CVE-2025-0665 severity moderate: SUSE including 291 source package names (0.0.17-1.1:curl-8.14.1-150600.4.28.1, 0.0.17-1.1:libcurl4-8.14.1-150600.4.28.1, …), 578 product×package rows across 148 product lines (Container bci/spack, Container containers/lmcache-lmstack-router, … (148 product lines)): Fixed 253, Known Affected 231, Known Not Affected 94.	https://www.suse.com/security/cve/CVE-2025-0665/
`ubuntu`	low	CVE-2025-0665 low priority: Ubuntu including 1 source packages (curl), 9 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, trusty, upstream, xenial): not-affected 8, released 1.	https://ubuntu.com/security/CVE-2025-0665

Affected software / configurations for CVE-2025-0665

Vendor	Product	Version	Raw CPE
haxx	curl	8.11.1	cpe:2.3:a:haxx:curl:8.11.1:::::::*
netapp	bootstrap_os	—	cpe:2.3:o:netapp:bootstrap_os:-:::::::*
netapp	h300s_firmware	—	cpe:2.3:o:netapp:h300s_firmware:-:::::::*
netapp	h410c_firmware	—	cpe:2.3:o:netapp:h410c_firmware:-:::::::*
netapp	h410s_firmware	—	cpe:2.3:o:netapp:h410s_firmware:-:::::::*
netapp	h500s_firmware	—	cpe:2.3:o:netapp:h500s_firmware:-:::::::*
netapp	h700s_firmware	—	cpe:2.3:o:netapp:h700s_firmware:-:::::::*

References for CVE-2025-0665

URL	Tags
https://curl.se/docs/CVE-2025-0665.html	Vendor Advisory
https://curl.se/docs/CVE-2025-0665.json	Vendor Advisory
https://hackerone.com/reports/2954286	Exploit Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2025/02/05/2	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2025/02/05/5	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20250306-0007/	Third Party Advisory

URL

CVE-2025-0665 | eventfd double close

Public exploit references (Exploit-DB) for CVE-2025-0665

Exploit prediction scoring system (EPSS) score for CVE-2025-0665

Common vulnerability scoring system (CVSS) metrics for CVE-2025-0665

Weakness enumeration for CVE-2025-0665

OS Trackers for CVE-2025-0665

Affected software / configurations for CVE-2025-0665

References for CVE-2025-0665