GHSA-ppjr-267j-5p9x — stb_image
Fix: servo/rust-stb-image#102GHSA-ppjr-267j-5p9x is a security vulnerability in stb_image. A fix is available for stb_image — see the affected versions and patch details below.
NULL pointer derefernce in `stb_image`
Real-World Exposure
stb_imageReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects crates.io packages — download data is not available via public APIs for these ecosystems.
Description
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.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🦀crates.io | stb_image | all versions | 0.2.5cargo update -p stb_image --precise 0.2.5 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for stb_image, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update stb_image to 0.2.5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-ppjr-267j-5p9x is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-ppjr-267j-5p9x can be triaged on real exposure rather than presence alone.
Tailored to GHSA-ppjr-267j-5p9x. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-ppjr-267j-5p9x in your dependencies?
O3 Security finds GHSA-ppjr-267j-5p9x across crates.io dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.