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| Property | Value |
|---|---|
| Advisory ID | SGZ-2026-6F35D |
| Severity | HIGH |
| CWE | CWE-20 |
| Confidence | 95% |
| Category | logic_flaw |
| Exploitability | likely |
| Package | servo-url@0.1.0 (cargo) |
| Location | benchmarks/competitors/servo-url/lib.rs:12-13 |
| Affected Functions | parse_url, parse_url_to_href |
| Attack Vector | NETWORK |
| Attack Complexity | LOW |
| Privileges Required | NONE |
| Discovered By | SafeGuard Zero-Day AI Discovery Engine |
The functions parse_url and parse_url_to_href use std::str::from_utf8_unchecked on raw input supplied by callers. If the input is not valid UTF-8, this invokes undefined behavior, potentially leading to memory corruption, crashes, or remote code execution when combined with other unsafe operations.
The vulnerability was identified in the file benchmarks/competitors/servo-url/lib.rs at lines 12-13 within the servo-url package (version 0.1.0). The following functions are directly affected: parse_url, parse_url_to_href. Any code path that invokes these functions inherits this vulnerability.
File: benchmarks/competitors/servo-url/lib.rs (lines 12-13)
let input = unsafe { std::str::from_utf8_unchecked(slice::from_raw_parts(raw_input as *const u8, raw_input_length)) };
The code above demonstrates the vulnerable pattern. This code is executed at runtime and can be directly exploited by an attacker with the appropriate access level.
An attacker supplies a non‑UTF‑8 byte sequence via the FFI boundary. The unchecked conversion creates an invalid \u0026str, which the url crate later reads, causing out‑of‑bounds reads or writes that can be leveraged for memory corruption.
Potential remote code execution or denial of service due to memory corruption.
Replace from_utf8_unchecked with std::str::from_utf8 and handle the error, returning a null pointer on failure. Validate length against actual allocation if possible.
Advisory: SGZ-2026-6F35D | Source: SafeGuard Zero-Day AI Discovery | Status: Candidate
This vulnerability was autonomously discovered by SafeGuard's AI-powered Zero-Day Discovery engine using TAOR (Think-Act-Observe-Repeat) agentic analysis on the package source code. It is not yet tracked in any public vulnerability database (CVE, NVD, GHSA, OSV). This finding should be triaged by a security engineer and, if confirmed, reported upstream to the package maintainer.
| Property | Value |
|---|---|
| Advisory ID | SGZ-2026-6F35D |
| Severity | HIGH |
| CWE | CWE-20 |
| Confidence | 95% |
| Category | logic_flaw |
| Exploitability | likely |
| Package | servo-url@0.1.0 (cargo) |
| Location | benchmarks/competitors/servo-url/lib.rs:12-13 |
| Affected Functions | parse_url, parse_url_to_href |
| Attack Vector | NETWORK |
| Attack Complexity | LOW |
| Privileges Required | NONE |
| Discovered By | SafeGuard Zero-Day AI Discovery Engine |
The functions parse_url and parse_url_to_href use std::str::from_utf8_unchecked on raw input supplied by callers. If the input is not valid UTF-8, this invokes undefined behavior, potentially leading to memory corruption, crashes, or remote code execution when combined with other unsafe operations.
The vulnerability was identified in the file benchmarks/competitors/servo-url/lib.rs at lines 12-13 within the servo-url package (version 0.1.0). The following functions are directly affected: parse_url, parse_url_to_href. Any code path that invokes these functions inherits this vulnerability.
File: benchmarks/competitors/servo-url/lib.rs (lines 12-13)
let input = unsafe { std::str::from_utf8_unchecked(slice::from_raw_parts(raw_input as *const u8, raw_input_length)) };
The code above demonstrates the vulnerable pattern. This code is executed at runtime and can be directly exploited by an attacker with the appropriate access level.
An attacker supplies a non‑UTF‑8 byte sequence via the FFI boundary. The unchecked conversion creates an invalid \u0026str, which the url crate later reads, causing out‑of‑bounds reads or writes that can be leveraged for memory corruption.
Potential remote code execution or denial of service due to memory corruption.
Replace from_utf8_unchecked with std::str::from_utf8 and handle the error, returning a null pointer on failure. Validate length against actual allocation if possible.
Advisory: SGZ-2026-6F35D | Source: SafeGuard Zero-Day AI Discovery | Status: Candidate
This vulnerability was autonomously discovered by SafeGuard's AI-powered Zero-Day Discovery engine using TAOR (Think-Act-Observe-Repeat) agentic analysis on the package source code. It is not yet tracked in any public vulnerability database (CVE, NVD, GHSA, OSV). This finding should be triaged by a security engineer and, if confirmed, reported upstream to the package maintainer. This vulnerability involves weaknesses in
This high-severity vulnerability could allow attackers to gain unauthorized access, execute arbitrary code, or compromise data integrity. Prompt remediation is strongly recommended.
Isolate affected systems from untrusted networks until patching is complete
Implement enhanced monitoring for exploitation attempts and unusual behavior