CVE-2026-8925

The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearing the pointer in between, making it `free()` the same pointer twice.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://curl.se/docs/CVE-2026-8925.html	Patch Vendor Advisory
https://curl.se/docs/CVE-2026-8925.json	Vendor Advisory
https://hackerone.com/reports/3735193	Exploit Issue Tracking Third Party Advisory
https://hackerone.com/reports/3735193	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-03 07:16

Updated : 2026-09-15 07:16

NVD link : CVE-2026-8925

Mitre link : CVE-2026-8925

CVE.ORG link : CVE-2026-8925

JSON object : View

Products Affected

haxx

curl

CWE

CWE-415

Double Free

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