Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.
Priority MEDIUM 41CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00941 61st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | 2.0.0 to before 2.28.5 | Vulnerable | Arm |
| cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:* | 3.0.0 to before 3.5.0 | Vulnerable | OP-TEE |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* | 39 | Vulnerable | Fedoraproject |
- cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* Versions 2.0.0 to before 2.28.5 Vulnerable ·Arm
- cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:* Versions 3.0.0 to before 3.5.0 Vulnerable ·OP-TEE
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Versions 39 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-43615
- 2026-10-03 Alias added: GHSA-656f-g689-89jh
References
Sources
- CVE-2023-43615 · CVE Program
- CVE-2023-43615 · NVD
- FIRST EPSS
- GHSA-656f-g689-89jh · GitHub Advisory Database · CC BY 4.0
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