cyfs-base vulnerable to misaligned pointer dereference in `ChunkId::new`
Priority LOW 38Published · Updated
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- No fix listed
No CVSS vector from any source. Fix status from GitHub.
Summary
The function `ChunkId::new` creates a misaligned pointer by casting mutable pointer of `u8` slice which has alignment 1 to the mutable pointer of `u32` which has alignment 4, and dereference the misaligned pointer leading UB, which should not be allowed in safe function.
Why it matters now
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | cyfs-base (crates.io) | up to 0.6.12 | — | No fix listed | GHSA-g753-ghr7-q33w |
- cyfs-base (crates.io) Vendor— Affected up to 0.6.12 Fixed in — No fix listed GHSA-g753-ghr7-q33w
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-03 Threatist record created from GHSA-g753-ghr7-q33w
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences