Medium severity · published Nov 21, 2025
CVE-2025-11932
Timing Side-Channel in PSK Binder Verification
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
The server previously verified the TLS 1.3 PSK binder using a non-constant time method which could potentially leak information about the PSK binder
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
wolfSSL · wolfSSL
before 5.8.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11932
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-11932
Issue Tracking
https://github.com/wolfSSL/wolfssl/pull/9223
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