High [CVE-2026-115893] Cranelift backend on aarch64 can jump to incorrect target on large Wasm `br_table` instruction
This high-severity Red Hat Linux advisory covers CVE-2026-115893; related products: Red Hat Connectivity Link 1, Red Hat Enterprise Linux 10, Red Hat package: tree-sitter.
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Summary
Cranelift backend on aarch64 can jump to incorrect target on large Wasm `br_table` instruction. Red Hat rates this important (CVSS 8.8).
Weakness: CWE-190.
Affected products named by the advisory: Red Hat Connectivity Link 1; Red Hat Enterprise Linux 10; Red Hat package: tree-sitter; Red Hat package: virt-firmware-rs.
- < 36.0.19
- < 48.0.7
- < 49.0.4
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
- 36.0.19
- 48.0.7
- 49.0.4
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
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