TI-2025-00559 Aliases CVE-2025-0665 GHSA-cc57-hgv8-p56r

eventfd double close

LOW 34Published 2025-02-05 · Updated 2026-10-15

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: Low · Low · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01331 71st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
curl	curl	8.11.1 – 8.11.1	—	No fix listed	CNA

curl Vendorcurl Affected 8.11.1 – 8.11.1 Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPE	Versions	Role	Vendor
cpe:2.3:a:haxx:curl:8.11.1:::::::*	8.11.1	Vulnerable	Haxx
cpe:2.3:o:netapp:bootstrap_os:-:::::::*	not specified by NVD	Vulnerable	NetApp
cpe:2.3:h:netapp:hci_compute_node:-:::::::*	not specified by NVD	Running on	NetApp
cpe:2.3:o:netapp:h300s_firmware:-:::::::*	not specified by NVD	Vulnerable	NetApp
cpe:2.3:h:netapp:h300s:-:::::::*	not specified by NVD	Running on	NetApp
cpe:2.3:o:netapp:h410c_firmware:-:::::::*	not specified by NVD	Vulnerable	NetApp
cpe:2.3:h:netapp:h410c:-:::::::*	not specified by NVD	Running on	NetApp
cpe:2.3:o:netapp:h410s_firmware:-:::::::*	not specified by NVD	Vulnerable	NetApp
cpe:2.3:h:netapp:h410s:-:::::::*	not specified by NVD	Running on	NetApp
cpe:2.3:o:netapp:h500s_firmware:-:::::::*	not specified by NVD	Vulnerable	NetApp

cpe:2.3:a:haxx:curl:8.11.1:*:*:*:*:*:*:* Versions 8.11.1 Vulnerable ·Haxx
cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp

Show 3 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:h:netapp:h500s:-:::::::*	not specified by NVD	Running on	NetApp
cpe:2.3:o:netapp:h700s_firmware:-:::::::*	not specified by NVD	Vulnerable	NetApp
cpe:2.3:h:netapp:h700s:-:::::::*	not specified by NVD	Running on	NetApp

cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Not affected: 7 products

Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat JBoss Core Services
Red Hat OpenShift Container Platform 4

Timeline

2026-10-02 Threatist record created from CVE-2025-0665
2026-10-03 Alias added: GHSA-cc57-hgv8-p56r

References

Exploit 1

issue

Advisory 5

TI-2023-19922 Out-of-bounds write in curl CVSS 3.1CRITICAL 9.8
TI-2026-16162 Negotiate ambient user conn reuse CVSS 3.1CRITICAL 9.8
TI-2026-10231 cross-origin Digest auth state leak CVSS 3.1CRITICAL 9.8
TI-2026-09063 HTTP/2 stream-dependency tree UAF CVSS 3.1CRITICAL 9.8
TI-2026-07976 stale proxy password leak CVSS 3.1CRITICAL 9.8
TI-2026-07845 SASL double-free CVSS 3.1CRITICAL 9.8

See all 103 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences