CVE-2026-8925

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductHaxx Curl
PublishedJul 3, 2026
First seenJul 3, 2026
Weakness typeCWE-415CWE-415

How to fix

Update
  • haxx curl8.21.0 or later

Affected products

ProductAffected versionsFixed in
haxx curl8.15.0 ≤ v < 8.21.08.21.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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