# Duplicate Advisory: gix-date can create non-utf8 string with `TimeBuf::as_str`

Source: https://junglewise.ai/threats/duplicate-advisory-gix-date-can-create-non-utf8-string-with-timebuf-as-9b7aabfa  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-01-26  
License: CC BY 4.0 with a link back

Severity: medium · CVSS 4 · Published 2026-01-26

Duplicate Advisory: gix-date can create non-utf8 string with `TimeBuf::as_str`

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 26 January 2026.

**Which products and versions are affected?** gix-date (crates.io) SEMVER:introduced=0,fixed=0.12.0.

**Is there a fix for This vulnerability?** Yes. gix-date (crates.io): upgrade to 0.12.0 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 gix-date (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

- gix-date (crates.io): upgrade to 0.12.0 or later

  ```sh
  cargo update -p gix-date
  ```


## Affected products

- gix-date (crates.io) SEMVER:introduced=0,fixed=0.12.0

## Related threats

- [RUSTSEC-2025-0140 - Non-utf8 String can be created with `TimeBuf::as_str`](https://junglewise.ai/threats/cve-2026-0810-gix-date-can-create-non-utf8-string-with-timebuf-as-str)