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MEDIUM severity

GHSA-9wgh-vjj7-7433

MEDIUMFix: image-rs/image#1358

GHSA-9wgh-vjj7-7433 is a medium-severity (CVSS 5.5) Uncontrolled Resource Consumption vulnerability in image. 1 public exploit reference exists, so weaponization risk is real. O3 Security confirms whether GHSA-9wgh-vjj7-7433 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Mutable reference with immutable provenance in image

Also known asCVE-2020-35916RUSTSEC-2020-0073
Published
Aug 25, 2021
Updated
Nov 8, 2023
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Nov 8, 2023 · OSV.dev, NVD, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🦀image

Real-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 mutable reference to a struct was constructed by dereferencing a pointer obtained from slice::as_ptr. Instead, slice::as_mut_ptr should have been called on the mutable slice argument. The former performs an implicit reborrow as an immutable shared reference which does not allow writing through the derived pointer.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🦀crates.ioimageall versions0.23.12
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for image. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update image to 0.23.12 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-9wgh-vjj7-7433 is resolved across your whole dependency graph.

  3. 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.

  4. How O3 protects you

    O3 pinpoints whether GHSA-9wgh-vjj7-7433 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-9wgh-vjj7-7433. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

A mutable reference to a struct was constructed by dereferencing a pointer obtained from slice::as_ptr. Instead, slice::as_mut_ptr should have been called on the mutable slice argument. The former performs an implicit reborrow as an immutable shared reference which does not allow writing through the derived pointer.
O3 Security · Impact-Aware SCA

Is GHSA-9wgh-vjj7-7433 in your dependencies?

O3 detects GHSA-9wgh-vjj7-7433 across crates.io dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

GHSA-9wgh-vjj7-7433: Mutable reference with… | O3 Security