Type confusion in CasualX obfstr
Priority LOW 14CWE-843Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
In the obfstr crate before 0.4.4 for Rust, the obfstr! argument type is not restricted to string slices, leading to invalid UTF-8 conversion that produces an invalid value.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00168 6th percentileScored 2026-11-07
Fix Fixed obfstr (CasualX): 0.4.4obfstr (crates.io): 0.4.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| CasualX | obfstr | before 0.4.4 | 0.4.4 | Patch available | CNA |
| — | obfstr (crates.io) | before 0.4.4 | 0.4.4 | Patch available | GHSA-v2p5-q653-9j99 |
- obfstr VendorCasualX Affected before 0.4.4 Fixed in 0.4.4 Patch available CNA
- obfstr (crates.io) Vendor— Affected before 0.4.4 Fixed in 0.4.4 Patch available GHSA-v2p5-q653-9j99
Remediation
- Fix · CNA obfstr (CasualX) Fixed in 0.4.4
- Fix · GHSA-v2p5-q653-9j99 obfstr (crates.io) Fixed in 0.4.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-58253
- 2026-10-03 Alias added: GHSA-v2p5-q653-9j99
References
Sources
- CVE-2024-58253 · CVE Program
- CVE-2024-58253 · NVD
- FIRST EPSS
- GHSA-v2p5-q653-9j99 · GitHub Advisory Database · CC BY 4.0
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