CVE-2025-12888

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Source
https://cve.org/CVERecord?id=CVE-2025-12888
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-12888.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-12888
Downstream
Published
2025-11-21T23:15:44.970Z
Modified
2026-03-11T05:32:57.980312Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

Vulnerability in X25519 constant-time cryptographic implementations due to timing side channels introduced by compiler optimizations and CPU architecture limitations, specifically with the Xtensa-based ESP32 chips. If targeting Xtensa it is recommended to use the low memory implementations of X25519, which is now turned on as the default for Xtensa.

References

Affected packages

Git / github.com/wolfssl/wolfssl

Affected ranges

Type
GIT
Repo
https://github.com/wolfssl/wolfssl
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
decea12e223869c8f8f3ab5a53dc90b69f436eb2
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.8.2"
        }
    ]
}

Affected versions

Other
WCv4-rng-stable
WCv4-stable
l
list
wolfEntropy1
wolfRand-RC2
WCv4.*
WCv4.0-RC5
WCv4.0-RC6
WCv4.0-RC8
WCv4.0-RC9
WCv5.*
WCv5.0-RC10
WCv5.0-RC11
WCv5.0-RC12
WCv5.0-RC9
WCv5.2.1-PILOT
v0.*
v0.5
v1.*
v1.8.8.0
v1.9.0
v2.*
v2.0.2
v2.0.3
v2.0.6
v2.0.8
v2.0rc1
v2.0rc2
v2.0rc2b
v2.0rc3
v2.1.1
v2.1.2
v2.1.4
v2.2.0
v2.2.1
v2.2.2
v2.3.0
v2.4.0
v2.4.2
v2.4.6
v2.4.7
v2.5.0
v2.5.2
v2.5.2b
v2.6.0
v2.6.2
v2.7.0
v2.7.2
v2.8.0
v2.8.2
v2.8.3
v2.8.4
v2.8.5
v2.8.5a
v2.8.6
v2.9.0
v2.9.1
v2.9.2
v2.9.4
v3.*
v3.0.0
v3.0.2
v3.1.0
v3.10.0-stable
v3.10.0a
v3.10.2-stable
v3.10.3
v3.10.4
v3.11.0-stable
v3.11.1-tls13-beta
v3.12.0-stable
v3.12.2-stable
v3.13.0-stable
v3.13.2
v3.13.3
v3.14.0-stable
v3.14.0a
v3.14.0b
v3.14.2
v3.14.4
v3.14.5
v3.15.0-stable
v3.15.3-stable
v3.15.5-stable
v3.15.5a
v3.15.6
v3.15.7-stable
v3.15.8
v3.2.0
v3.2.4
v3.2.6
v3.3.0
v3.3.3
v3.4.0
v3.4.2
v3.4.6
v3.4.8
v3.6.0
v3.6.0b
v3.6.2
v3.6.6
v3.6.8
v3.6.9
v3.6.9b
v3.6.9c
v3.6.9d
v3.69.d
v3.7.0
v3.7.1
v3.7.3
v3.8.0
v3.9.0
v3.9.1
v3.9.10-stable
v3.9.10b
v3.9.6
v3.9.6w
v3.9.8
v4.*
v4.0.0-stable
v4.1.0-stable
v4.2.0-stable
v4.2.0c
v4.3.0-stable
v4.4.0-stable
v4.5.0-stable
v4.6.0-stable
v4.7.0-stable
v4.7.1r
v4.8.0-stable
v5.*
v5.0.0-stable
v5.1.0-stable
v5.2.0-stable
v5.2.1
v5.3.0-stable
v5.4.0-stable
v5.5.0-stable
v5.5.1-stable
v5.5.2-stable
v5.5.3-stable
v5.5.4-stable
v5.6.0-stable
v5.6.2-stable
v5.6.3-stable
v5.6.4-stable
v5.6.6-stable
v5.7.0-stable
v5.7.2-stable
v5.7.4-stable
v5.7.6-stable
v5.8.0-stable
v5.8.2-stable

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-12888.json"