CyberShieldTips
Best Of
How-To Guides
Password Managers
Privacy Tools
Threat Analysis
VPN Reviews
📚 Resources
☰
Home
›
CVE Database
›
Arm
›
CVE-2023-43615
CVE-2023-43615
Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.
high
7.5
CVSS 3.1
Published:
Oct 7, 2023
Modified:
Jun 5, 2026
Vendor:
Arm
Product:
Mbed Tls
Versions:
37,38,39
Description
Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.
References
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BDSHAANRULB57GVS5B3DZHXL5KCC7OWQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGRB5MO2KUJKYPMGXMIZH2WRH6QR5UZS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O7SB7L6A56QZALDTOZ6O4X7PTC4I647R/
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2023-10-1/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BDSHAANRULB57GVS5B3DZHXL5KCC7OWQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGRB5MO2KUJKYPMGXMIZH2WRH6QR5UZS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O7SB7L6A56QZALDTOZ6O4X7PTC4I647R/
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2023-10-1/
Related CVEs
CVE-2026-25835
high · 7.7
Mbed TLS before 3.6.6 and TF-PSA-Crypto before 1.1.0 misuse seeds in a Pseudo-Random Number Generator (PRNG).
CVE-2025-49087
medium · 4.0
In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used.
CVE-2025-49600
medium · 4.9
In MbedTLS 3.3.0 before 3.6.4, mbedtls_lms_verify may accept invalid signatures if hash computation fails and internal errors go unchecked, enabling LMS (Leighton-Micali Signature)
CVE-2025-49601
medium · 4.8
In MbedTLS 3.3.0 before 3.6.4, mbedtls_lms_import_public_key does not check that the input buffer is at least 4 bytes before reading a 32-bit field, allowing a possible out-of-boun
CVE-2025-27809
medium · 5.4
Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbe
CVE-2025-27810
medium · 5.4
Mbed TLS before 2.28.10 and 3.x before 3.6.3, in some cases of failed memory allocation or hardware errors, uses uninitialized stack memory to compose the TLS Finished message, pot