CVE-2023-45199
Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code...
CVE-2023-45199 is a critical vulnerability (CVSS 9.8) in Trustedfirmware Mbed Tls, published October 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.26%, the 70th percentile. Fixed in mbedtls 3.5.0-1.1.
- Severity
- 9.8 CriticalCVSS 3.1, NVD
- Exploit chance
- 1.26%EPSS, 70th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
3.5.0-1.1mbedtls
Description
Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mbedtlsopenSUSE:Tumbleweed | before 3.5.0-1.1 | 3.5.0-1.1 |
What each source reports
NVD Score used 9.8
Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.
- Record
CVE-2023-45199- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE ListNo score
Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.
- Record
CVE-2023-45199- Updated
- 2026-11-02
EUVDEUVD-2023-49506No score
Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.
- Record
EUVD-2023-49506- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9xgp-crg4-hgxq 9.8
Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code...
Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.
- Record
GHSA-9xgp-crg4-hgxq- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-45199 9.8
Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.
- Record
UBUNTU-CVE-2023-45199- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVNo score
Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.
- Record
CVE-2023-45199- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:13321-1No score
libeverest-3.5.0-1.1 on GA media
These are all security issues fixed in the libeverest-3.5.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:13321-1- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2023-10-2
nvd.nist.gov/vuln/detail/CVE-2023-45199
github.com/advisories/GHSA-9xgp-crg4-hgxq
github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45199.json
ubuntu.com/security/CVE-2023-45199
cve.org/CVERecord?id=CVE-2023-45199
suse.com/security/cve/CVE-2023-45199