CVE-2025-58427
An out-of-bounds read vulnerability exists in the EMF functionality of Canva Affinity.
Executive Summary
CVE-2025-58427 is a medium severity vulnerability affecting binary-analysis. It is classified as Out-of-bounds Read. Ensure your systems and dependencies are patched immediately to mitigate exposure risks.
Precogs AI Insight
"The underlying mechanism of this vulnerability involves within An out-of-bounds read vulnerability, allowing bypassed validation checks on external interactions. In a real-world scenario, an attacker could exploit this by trigger a denial of service state, crashing critical operational components. The Precogs Binary SAST engine detects such memory corruption vulnerabilities to safeguard the application against payload injection."
What is this vulnerability?
CVE-2025-58427 is categorized as a critical Memory Corruption Vulnerability flaw. Based on our vulnerability intelligence, this issue occurs when the application fails to securely handle untrusted data boundaries.
An out-of-bounds read vulnerability exists in the EMF functionality of Canva Affinity. By using a specially crafted EMF file, an attacker could exploit thi...
This architectural defect enables adversaries to bypass intended security controls, directly manipulating the application's execution state or data layer. Immediate strategic intervention is required.
Risk Assessment
| Metric | Value |
|---|---|
| CVSS Base Score | 6.1 (MEDIUM) |
| Vector String | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L |
| Published | March 17, 2026 |
| Last Modified | March 19, 2026 |
| Related CWEs | CWE-125 |
Impact on Systems
✅ Remote Code Execution: Adversaries may execute arbitrary code by overwriting memory regions.
✅ Denial of Service: Memory corruption often leads to unrecoverable application crashes.
✅ Information Disclosure: Out-of-bounds reads can expose adjacent memory containing sensitive data.
How to fix this issue?
Implement the following strategic mitigations immediately to eliminate the attack surface.
1. Memory-Safe Languages When possible, migrate parsing logic to memory-safe languages like Rust or Go.
2. Compiler Protections Ensure the binary is compiled with ASLR, DEP/NX, Stack Canaries, and RELRO.
3. Fuzz Testing Implement continuous fuzzing with AddressSanitizer (ASan) in the CI/CD pipeline.
Vulnerability Signature
// Generic Memory Corruption Vector (C/C++)
void process_input(char *user_data, size_t size) \{
char buffer[256];
// DANGEROUS: Unbounded memory operation
memcpy(buffer, user_data, size); // size may exceed 256
// SECURED: Bound-checked operation
if (size \> sizeof(buffer)) \{
size = sizeof(buffer);
\}
memcpy(buffer, user_data, size);
\}
References and Sources
- NVD — CVE-2025-58427
- MITRE — CVE-2025-58427
- CWE-125 — MITRE CWE
- CWE-125 Details
- Binary Analysis Vulnerabilities
Vulnerability Code Signature
Attack Data Flow
| Stage | Detail |
|---|---|
| Source | Network packet or file input |
| Vector | Read operation extends beyond the allocated buffer bounds |
| Sink | memcpy(), strlen(), or pointer arithmetic |
| Impact | Information disclosure, memory leak, denial of service |
Vulnerable Code Pattern
// ❌ VULNERABLE: Out-of-bounds read
void read_data(char *input, int length) {
char buffer[64] = {0};
// Taint sink: reads beyond buffer size if length > 64
memcpy(buffer, input, length);
}
Secure Code Pattern
// ✅ SECURE: Bounded read
void read_data(char *input, int length) {
char buffer[64] = {0};
// Sanitized boundary check
int safe_length = (length > sizeof(buffer)) ? sizeof(buffer) : length;
memcpy(buffer, input, safe_length);
}
How Precogs Detects This
Precogs Binary SAST engine explicitly uncovers memory boundary violations and unsafe memory management functions in compiled binaries.\n