# CVE-2018-20999: RUSTSEC-2018-0012 - Flaw in streaming state reset() functions can create incorrect results.

Source: https://junglewise.ai/threats/cve-2018-20999-flaw-in-streaming-state-in-orion  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2018-12-20  
License: CC BY 4.0 with a link back

CVE-2018-20999 · Severity: low · CVSS 3 · Published 2018-12-20

Flaw in streaming state reset() functions can create incorrect results.

Technologies: [orion (crates.io)](https://junglewise.ai/threats/technologies/crates-io-orion). Vendors: [crates.io](https://junglewise.ai/threats/vendors/crates-io).

## Quick answers

**Is CVE-2018-20999 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2018-20999 being exploited in the wild.

**How severe is CVE-2018-20999?** Low severity, with a CVSS score of 3, published 20 December 2018.

**Which products and versions are affected?** orion (crates.io) SEMVER:introduced=0,fixed=0.11.2, SEMVER:introduced=0.0.0-0,fixed=0.11.2.

**Is there a fix for CVE-2018-20999?** Yes. orion (crates.io): upgrade to 0.11.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2018-20999?** Check whether you run orion (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- orion (crates.io): upgrade to 0.11.2 or later

  ```sh
  cargo update -p orion
  ```


## Affected products

- orion (crates.io) SEMVER:introduced=0,fixed=0.11.2, SEMVER:introduced=0.0.0-0,fixed=0.11.2

## Identifiers

- CVE-2018-20999
- GHSA-gffv-5hr2-f9gj
- RUSTSEC-2018-0012

## Related threats

- [orion BLAKE2b wrong tag with reset on different-length key](https://junglewise.ai/threats/rustsec-2026-0428-blake2b-produces-wrong-tag-when-using-reset-with-a-28d6638f)
- [Orion cryptographic library timing vulnerability in ML-KEM and ML-DSA](https://junglewise.ai/threats/rustsec-2026-0426-llvm-introduces-timing-vulnerable-optimizations-into-e1155e1e)