UBUNTU-CVE-2026-34874

An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0...

UBUNTU-CVE-2026-25833

Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow in the x509inetptonipv6 function...

EUVD-2026-17993

An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys...

CVE-2026-34875

An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys...

DEBIAN-CVE-2026-34875

An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys...

DEBIAN-CVE-2026-25834

Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade...

ALPINE-CVE-2026-25834

Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade...

CVE-2026-34875

An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys...

CVE-2026-25834

Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade...

CVE-2026-34872

An issue was discovered in Mbed TLS 3.5.x and 3.6.x through 3.6.5 and TF-PSA-Crypto 1.0. There is a lack of contributory behavior in FFDH due to improper input validation. Using finite-field Diffie-Hellman, the other party can force the shared secret into a small set of values lack of contributor...

CVE-2026-25835

Mbed TLS before 3.6.6 and TF-PSA-Crypto before 1.1.0 misuse seeds in a Pseudo-Random Number Generator PRNG...

CVE-2026-25833

Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow in the x509inetptonipv6 function...

Mbed TLS 安全漏洞

Mbed TLS is an open-source, portable, easy-to-use, readable, and flexible SSL library developed by Mbed TLS. Mbed TLS versions 4.0.0 and earlier, as well as TF-PSA-Crypto versions 1.0.0 and earlier, have security vulnerabilities. These vulnerabilities stem from compiler-induced timing side...

PT-2026-29587

Name of the Vulnerable Software and Affected Versions Mbed TLS versions through 3.6.5 and 4.0.0 Description A flaw exists in the distinguished name parsing functionality, leading to a NULL pointer dereference. This can allow an attacker to write to address 0. Recommendations Update to a version...

CVE-2026-25833

Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow in the x509inetptonipv6 function...

CVE-2026-34875

An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys...

CVE-2025-66442

In Mbed TLS through 4.0.0, there is a compiler-induced timing side channel in RSA and CBC/ECB decryption that only occurs with LLVM's select-optimize feature. TF-PSA-Crypto through 1.0.0 is also affected...

CVE-2026-34871

An issue was discovered in Mbed TLS before 3.6.6 and 4.x before 4.1.0 and TF-PSA-Crypto before 1.1.0. There is a Predictable Seed in a Pseudo-Random Number Generator PRNG...

CVE-2026-25833

CVE-2026-25833 affects Mbed TLS; a buffer overflow exists in the x509_inet_pton_ipv6() function. Vulnerable versions are 3.5.0–3.6.5. The issue is fixed in 3.6.6 and in 4.1.0. Remediate by upgrading to one of these fixed releases. No exploitation details are provided in the available documents.

CVE-2026-34873

Summary: CVE-2026-34873 affects Mbed TLS 3.5.0–4.0.0, enabling client impersonation during TLS 1.3 session resumption. Impact (per CVE): Confidentiality and integrity may be affected (CRITICAL/9.1 CVSS). Root cause (as described): vulnerability arises during TLS 1.3 session resumption with the Mb...