Vulnerability Description
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 Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Curl | >= 8.15.0, < 8.21.0 |
Related Weaknesses (CWE)
References
- https://curl.se/docs/CVE-2026-8925.htmlPatchVendor Advisory
- https://curl.se/docs/CVE-2026-8925.jsonVendor Advisory
- https://hackerone.com/reports/3735193ExploitIssue TrackingThird Party Advisory
- https://hackerone.com/reports/3735193ExploitIssue TrackingThird Party Advisory
FAQ
What is CVE-2026-8925?
CVE-2026-8925 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2026-8925?
CVE-2026-8925 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-8925?
Check the references section above for vendor advisories and patch information. Affected products include: Haxx Curl.