| Package | Affected versions | Patched versions |
|---|---|---|
| org.springframework:spring-expression | ≤ 5.3.39 | |
| spring framework | ≥ 5.3.0, < 5.3.49 | 5.3.49 |
An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS).
Affected versions: Spring Framework 5.3.0 through 5.3.48.
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