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Store Reg ARM Crashes Due to Out-of-Bounds Index
published 6 years ago
Summary
The Store Reg ARM feature in certain software may crash due to an error in handling memory indexes, which could potentially cause the program to stop working unexpectedly. This issue affects systems using this feature, and users should update their software to the latest version to prevent crashes.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| OSS-Fuzz | – | unicorn | All versions |
Original advisory text
Index-out-of-bounds in store_reg_arm
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20026
```
Crash type: Index-out-of-bounds
Crash state:
store_reg_arm
gen_load_exclusive_arm
disas_arm_insn_arm
```
```
Crash type: Index-out-of-bounds
Crash state:
store_reg_arm
gen_load_exclusive_arm
disas_arm_insn_arm
```
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20026 Third Party Advisory
Timeline
Published22 Jul 2020
Updated29 Mar 2026
First seen29 Mar 2026
Sources
OSV-2020-1123 · OSV
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