# RUSTSEC-2026-0180 - Panic decoding a malformed `hstore` value allows denial of service

Source: https://junglewise.ai/threats/rustsec-2026-0180-panic-decoding-a-malformed-hstore-value-allows-denial-cd67b06d  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-12  
License: CC BY 4.0 with a link back

Severity: medium · CVSS 4 · Published 2026-06-12

Panic decoding a malformed `hstore` value allows denial of service

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

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Medium severity, with a CVSS score of 4, published 12 June 2026.

**Which products and versions are affected?** postgres-protocol (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.6.12.

**Is there a fix for This vulnerability?** Yes. postgres-protocol (crates.io): upgrade to 0.6.12 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run postgres-protocol (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

- postgres-protocol (crates.io): upgrade to 0.6.12 or later

  ```sh
  cargo update -p postgres-protocol
  ```


## Affected products

- postgres-protocol (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.6.12

## Related threats

- [postgres-protocol panic on malformed hstore value](https://junglewise.ai/threats/postgres-protocol-panic-on-malformed-hstore-value-98d63cdf)
- [postgres-protocol unbounded SCRAM iteration count DoS](https://junglewise.ai/threats/postgres-protocol-unbounded-scram-iteration-count-dos-d8dcba22)
- [RUSTSEC-2026-0179 - Unbounded SCRAM iteration count allows a malicious server to cause CPU-exhaustion denial of service](https://junglewise.ai/threats/rustsec-2026-0179-unbounded-scram-iteration-count-allows-a-malicious-d5d33560)