CVE-2026-8925 | The curl logic that works with SASL authentication could end… | CVSS 9.8 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.

Metadata

CVE ID: CVE-2026-8925
State: PUBLISHED
Assigner: curl
Reserved: 2026-05-19 08:11 UTC
Published: 2026-07-03 06:15 UTC
Last updated: 2026-07-06 17:04 UTC
Vendor / Product: curl / curl
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
curl	curl	—	8.20.0 ≤ 8.20.0, 8.19.0 ≤ 8.19.0, 8.18.0 ≤ 8.18.0, 8.17.0 ≤ 8.17.0 …

Weakness (CWE)

CWE	Source	Description
—	cna	CWE-415 Double Free

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (3)