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WS-2023-0078

Date: August 19, 2025

A bug in error handling in the stb_image C library could cause a NULL pointer dereference when attempting to load an invalid or unsupported image file. This is fixed in version 0.2.5 and later of the stb_image Rust crate, by patching the C code to correctly handle NULL pointers.

Language: RUST

Severity Score

Related Resources (6)

https://github.com/servo/rust-stb-image/pull/102
https://github.com/servo/rust-stb-image/commit/caf178c21f7e8b3268703f3cadc6b7e57a6275a5
https://crates.io/crates/stb_image
https://rustsec.org/advisories/RUSTSEC-2023-0021.html
https://github.com/servo/rust-stb-imag
https://www.mend.io/vulnerability-database/WS-2023-0078

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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