CVE-2026-58004— Crafted oversized firmware image causes EL3 stack overflow during VAB authentication on Trusted Firmware.
Quick assessment
Affected
Altera Trusted Firmware
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 HPS（高性能子系统）上的 Altera 可信固件中存在一个越界读取漏洞，可能导致权限提升和缓冲区溢出。 此问题影响范围涵盖 Trusted Firmware：至 socfpga_v2.14.0 版本。
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I. Basic Information for CVE-2026-58004
Vulnerability Information
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Vulnerability Title
Crafted oversized firmware image causes EL3 stack overflow during VAB authentication on Trusted Firmware.
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds read vulnerability in Altera Trusted Firmware on HPS allows Privilege Escalation and Overflow Buffers.
This issue affects Trusted Firmware: through socfpga_v2.14.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Altera | Trusted Firmware | 0 ~ socfpga_v2.14.0 | - |
|
II. Public POCs for CVE-2026-58004
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-58004 (1)
Same Patch Batch · Altera · 2026-09-24 · 8 CVEs total
| CVE-2026-58007 | 8.1 HIGH | Unchecked SDM mailbox response address enables EL3 secure-memory corruption |
| CVE-2026-58008 | 8.1 HIGH | Unchecked HKDF key-size input in EL3 causes a stack buffer overflow |
| CVE-2026-58005 | 8.1 HIGH | Unvalidated SiP v2 mailbox pointers allow non-secure EL1 access to arbitrary physical addr |
| CVE-2026-58006 | 8.1 HIGH | Altera SoCFPGA BL31 Mailbox Output Pointer Validation Enables EL3 Secure-Memory Corruption |
| CVE-2026-13465 | 8.1 HIGH | EL3 Stack Buffer Overflow in FCS HKDF Request |
| CVE-2026-13467 | 8.1 HIGH | Systemic Missing Address Validation in SiP SMC Handlers |
| CVE-2026-13466 | 8.1 HIGH | Unit Confusion in VAB Authentication |
IV. Related Vulnerabilities
Same product: Trusted Firmware
-
CVE-2026-58008
Unchecked HKDF key-size input in EL3 causes a stack buffer o -
CVE-2026-58007
Unchecked SDM mailbox response address enables EL3 secure-me -
CVE-2026-58006
Altera SoCFPGA BL31 Mailbox Output Pointer Validation Enable -
CVE-2026-58005
Unvalidated SiP v2 mailbox pointers allow non-secure EL1 acc -
CVE-2026-13467
Systemic Missing Address Validation in SiP SMC Handlers
Same vendor: Altera
-
CVE-2026-58008
Unchecked HKDF key-size input in EL3 causes a stack buffer o -
CVE-2026-58007
Unchecked SDM mailbox response address enables EL3 secure-me -
CVE-2026-58006
Altera SoCFPGA BL31 Mailbox Output Pointer Validation Enable -
CVE-2026-58005
Unvalidated SiP v2 mailbox pointers allow non-secure EL1 acc -
CVE-2026-13467
Systemic Missing Address Validation in SiP SMC Handlers
Same weakness: CWE-125
-
CVE-2026-94285
Out-of-bounds read in libX11's byte-oriented codeset parser -
CVE-2026-94284
Out-of-bounds read vulnerability in libX11's XIM trigger-key -
CVE-2026-94283
Out-of-bounds read vulnerability in libX11's XIM (X Input Me -
CVE-2026-94282
Out-of-bounds read in libXi's XI2 enter/leave/focus cookie c -
CVE-2026-100505
Ghidra 11.2 through 12.1.4 Heap Out-of-Bounds Read via Strin
V. Comments for CVE-2026-58004
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