# TrustedFirmware vulnerabilities

Source: https://junglewise.ai/threats/vendors/trustedfirmware  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/trustedfirmware.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 13 vulnerabilities in TrustedFirmware: 0 in the last 7 days and 1 in the last 90 days, 3 of them critical and 0 exploited in the wild. The most recent, CVE-2026-54467, was published on 26 August 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 13 (3 critical, 0 exploited in the wild)

## About TrustedFirmware

Open-source trusted firmware and secure bootloader project.

## Latest TrustedFirmware vulnerabilities

- [CVE-2026-54467: Trusted Firmware-M mailbox pointer validation vulnerability](https://junglewise.ai/threats/cve-2026-54467-trusted-firmware-m-mailbox-pointer-validation-vulnerability) (high, CVSS 7, published 26 Aug 2026)
- [CVE-2026-33662: OP-TEE OS integer underflow in RSASSA-PKCS1-v1_5 encoding](https://junglewise.ai/threats/cve-2026-33662-op-tee-os-integer-underflow-in-rsassa-pkcs1-v1-5-encoding) (high, CVSS 7.5, published 24 Apr 2026)
- [CVE-2026-33317: OP-TEE out-of-bounds read and write in PKCS#11 TA](https://junglewise.ai/threats/cve-2026-33317-op-tee-out-of-bounds-read-and-write-in-pkcs-11-ta) (high, CVSS 8.7, published 24 Apr 2026)
- [CVE-2026-34877: Mbed TLS memory corruption via insecure deserialization of SSL context](https://junglewise.ai/threats/cve-2026-34877-mbed-tls-memory-corruption-via-insecure-deserialization-of-ssl) (critical, CVSS 9.8, published 2 Apr 2026)
- [CVE-2026-34876: Mbed TLS out-of-bounds read in mbedtls_ccm_finish](https://junglewise.ai/threats/cve-2026-34876-mbed-tls-out-of-bounds-read-in-mbedtls-ccm-finish) (high, CVSS 7.5, published 2 Apr 2026)
- [CVE-2026-34873: Mbed TLS client impersonation in TLS 1.3 session resumption](https://junglewise.ai/threats/cve-2026-34873-mbed-tls-client-impersonation-in-tls-1-3-session-resumption) (critical, CVSS 9.1, published 1 Apr 2026)
- [CVE-2026-34874: Mbed TLS NULL pointer dereference in X.509 distinguished name parsing](https://junglewise.ai/threats/cve-2026-34874-mbed-tls-null-pointer-dereference-in-x-509-distinguished-name) (high, CVSS 7.5, published 1 Apr 2026)
- [CVE-2026-25833: Mbed TLS buffer underflow in x509_inet_pton_ipv6](https://junglewise.ai/threats/cve-2026-25833-mbed-tls-buffer-underflow-in-x509-inet-pton-ipv6) (high, CVSS 7.5, published 1 Apr 2026)
- [CVE-2026-34875: Mbed TLS buffer overflow in FFDH public key export](https://junglewise.ai/threats/cve-2026-34875-mbed-tls-buffer-overflow-in-ffdh-public-key-export) (critical, CVSS 9.8, published 1 Apr 2026)
- [CVE-2026-25834: Mbed TLS algorithm downgrade in TLS 1.2 client](https://junglewise.ai/threats/cve-2026-25834-mbed-tls-algorithm-downgrade-in-tls-1-2-client) (medium, CVSS 6.5, published 1 Apr 2026)
- [CVE-2025-49087: Mbed TLS timing side-channel in block cipher decryption with PKCS#7 padding](https://junglewise.ai/threats/cve-2025-49087-mbed-tls-timing-side-channel-in-block-cipher-decryption-with-pkcs) (medium, CVSS 4, published 20 Jul 2025)
- [CVE-2025-49601: Mbed TLS out-of-bounds read in mbedtls_lms_import_public_key](https://junglewise.ai/threats/cve-2025-49601-mbed-tls-out-of-bounds-read-in-mbedtls-lms-import-public-key) (medium, CVSS 4.8, published 4 Jul 2025)
- [CVE-2025-49600: Mbed TLS signature bypass in LMS verification](https://junglewise.ai/threats/cve-2025-49600-mbed-tls-signature-bypass-in-lms-verification) (medium, CVSS 4.9, published 4 Jul 2025)

## Most severe TrustedFirmware vulnerabilities

- [CVE-2026-34877: Mbed TLS memory corruption via insecure deserialization of SSL context](https://junglewise.ai/threats/cve-2026-34877-mbed-tls-memory-corruption-via-insecure-deserialization-of-ssl) (critical, CVSS 9.8, published 2 Apr 2026)
- [CVE-2026-34875: Mbed TLS buffer overflow in FFDH public key export](https://junglewise.ai/threats/cve-2026-34875-mbed-tls-buffer-overflow-in-ffdh-public-key-export) (critical, CVSS 9.8, published 1 Apr 2026)
- [CVE-2026-34873: Mbed TLS client impersonation in TLS 1.3 session resumption](https://junglewise.ai/threats/cve-2026-34873-mbed-tls-client-impersonation-in-tls-1-3-session-resumption) (critical, CVSS 9.1, published 1 Apr 2026)
- [CVE-2026-33317: OP-TEE out-of-bounds read and write in PKCS#11 TA](https://junglewise.ai/threats/cve-2026-33317-op-tee-out-of-bounds-read-and-write-in-pkcs-11-ta) (high, CVSS 8.7, published 24 Apr 2026)
- [CVE-2026-33662: OP-TEE OS integer underflow in RSASSA-PKCS1-v1_5 encoding](https://junglewise.ai/threats/cve-2026-33662-op-tee-os-integer-underflow-in-rsassa-pkcs1-v1-5-encoding) (high, CVSS 7.5, published 24 Apr 2026)
- [CVE-2026-34874: Mbed TLS NULL pointer dereference in X.509 distinguished name parsing](https://junglewise.ai/threats/cve-2026-34874-mbed-tls-null-pointer-dereference-in-x-509-distinguished-name) (high, CVSS 7.5, published 1 Apr 2026)
- [CVE-2026-25833: Mbed TLS buffer underflow in x509_inet_pton_ipv6](https://junglewise.ai/threats/cve-2026-25833-mbed-tls-buffer-underflow-in-x509-inet-pton-ipv6) (high, CVSS 7.5, published 1 Apr 2026)
- [CVE-2026-34876: Mbed TLS out-of-bounds read in mbedtls_ccm_finish](https://junglewise.ai/threats/cve-2026-34876-mbed-tls-out-of-bounds-read-in-mbedtls-ccm-finish) (high, CVSS 7.5, published 2 Apr 2026)
- [CVE-2026-54467: Trusted Firmware-M mailbox pointer validation vulnerability](https://junglewise.ai/threats/cve-2026-54467-trusted-firmware-m-mailbox-pointer-validation-vulnerability) (high, CVSS 7, published 26 Aug 2026)
- [CVE-2026-25834: Mbed TLS algorithm downgrade in TLS 1.2 client](https://junglewise.ai/threats/cve-2026-25834-mbed-tls-algorithm-downgrade-in-tls-1-2-client) (medium, CVSS 6.5, published 1 Apr 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 1 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "TrustedFirmware vulnerabilities", https://junglewise.ai/threats/vendors/trustedfirmware, 9 November 2026.