Critical severity · published Jul 3, 2026
CVE-2026-8925
SASL double-free
9.8
CVSS
1.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CU
curl · curl
8.15.0 before 8.16.1; 8.17.0 before 8.20.1; ab650379a8c25ca952f651476d25b4cdd77bb3fc before 3da249e1f0716c06644ed3522a37a8bf81808012; 8.20.0; 8.19.0; 8.18.0; +3 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8925
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8925
Patch
https://curl.se/docs/CVE-2026-8925.html
Vendor Advisory
https://curl.se/docs/CVE-2026-8925.json
Exploit
https://hackerone.com/reports/3735193
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