Maven/com.fasterxml.jackson.core:jackson-core CVE-2026-89407: high 7.5, EPSS 0.55%
jackson-core: ReDoS: quadratic backtracking in NumberInput.PATTERN_FLOAT via looksLikeValidNumber()
Action: Upgrade com.fasterxml.jackson.core:jackson-core to 2.18.11 (2.18.x), 2.21.7 (2.21.x) or 2.22.3 (2.22.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.17.0 | 2.18.11 | - |
| 2.19.0 | 2.21.7 | - |
| 2.22.0 | 2.22.3 | - |
Fixed versions
| 2.18.11 | 2.21.7 | 2.22.3 |
Sources
- osv: GHSA-p6pp-m3f8-5c89
- https://github.com/FasterXML/jackson-core/security/advisories/GHSA-p6pp-m3f8-5c89
- https://nvd.nist.gov/vuln/detail/CVE-2026-89407
- https://github.com/FasterXML/jackson-core/issues/1649
- https://github.com/FasterXML/jackson-core/pull/1650
- https://github.com/FasterXML/jackson-core/pull/1701
- https://github.com/FasterXML/jackson-core/commit/731e794f62623aa0d86ced52490166be903fbb1d
- https://github.com/FasterXML/jackson-core/commit/e7acd64cc99bd346704423dc2bfea1ab0a08ddff
- https://github.com/FasterXML/jackson-core
CVE-2026-89407 · published · modified · JSON