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ID: go-security/avoid-rat-setstring
Language: Go
Severity: Warning
Category: Security
Do not use the function SetString
from big.Rat
as it as a potential overflow in some Go versions. Even if your current Go runtime is not vulnerable to this issue, your code may be used by runtime that are. We recommend avoiding the function SetString
from the math/big
package for this reason.
package main
import (
"math/big"
"fmt"
)
func main() {
var r = big.Rat{}
r.SetString("13e-9223372036854775808")
fmt.Println(r)
}
package main
import (
"math/big"
"fmt"
)
func anotherFunction() {
r = big.Rat{}
fmt.Println(r)
r.SetString("13e-9223372036854775808")
fmt.Println(r)
}
func anotherFunction2() {
var r big.Rat
fmt.Println(r)
r.SetString("13e-9223372036854775808")
fmt.Println(r)
}
func main() {
var r = big.Rat{}
r.SetString("13e-9223372036854775808")
fmt.Println(r)
}
package main
import (
"math/big"
"fmt"
)
func main() {
r := big.Rat{}
r.SetString("13e-9223372036854775808")
fmt.Println(r)
}
package main
import (
"math/big"
"fmt"
)
func main() {
r := big.NewRat(10, 3)
fmt.Println(r)
}
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