Read the docs
TI-2022-26627 Aliases GHSA-3fg9-hcq5-vxrc

iana-time-zone vulnerable to use after free in MacOS / iOS implementation

Priority LOW 38CWE-416Published · Updated

Key facts

Attack vector
—
Privileges required
—
User interaction
—
Attack complexity
—
Impact type
—
Confidentiality · integrity · availability
—
Fix status
Fixed

No CVSS vector from any source. Fix status from GitHub.

Summary

In iana-time-zone v0.1.43 a use-after-free bug in the MacOS / iOS implementation was introduced. The copied system time zone was released before its name was copied. If the system time zone was changed between the call of `CFRelease` and `str::to_owned()`, random memory would be copied.

Why it matters now

Fix Fixed iana-time-zone (crates.io): 0.1.45

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—iana-time-zone (crates.io)0.1.43 to before 0.1.450.1.45Patch availableGHSA-3fg9-hcq5-vxrc
  • iana-time-zone (crates.io) Vendor— Affected 0.1.43 to before 0.1.45 Fixed in 0.1.45 Patch available GHSA-3fg9-hcq5-vxrc

Remediation

  • Fix · GHSA-3fg9-hcq5-vxrc iana-time-zone (crates.io) Fixed in 0.1.45 Advisory →

Timeline

  1. 2026-10-03 Threatist record created from GHSA-3fg9-hcq5-vxrc

References

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences