CVE-2026-89407

NumberInput.looksLikeValidNumber in FasterXML jackson-core pre-validates "stringified numbers" with two regular expressions: PATTERNFLOAT +-?0-9.?0-9+eE+-?0-9+?, present since 2.17.0, and PATTERNFLOATTRAILINGDOT, added in 2.17.2. PATTERNFLOAT places adjacent quantifiers over the same character...

CVE-2026-89407 jackson-core: quadratic backtracking in NumberInput.PATTERN_FLOAT via looksLikeValidNumber() enables ReDoS

NumberInput.looksLikeValidNumber in FasterXML jackson-core pre-validates "stringified numbers" with two regular expressions: PATTERNFLOAT +-?0-9.?0-9+eE+-?0-9+?, present since 2.17.0, and PATTERNFLOATTRAILINGDOT, added in 2.17.2. PATTERNFLOAT places adjacent quantifiers over the same character...

CVE-2026-89407: Inefficient Regular Expression Complexity

NumberInput.looksLikeValidNumber in FasterXML jackson-core pre-validates "stringified numbers" with two regular expressions: PATTERNFLOAT +-?0-9.?0-9+eE+-?0-9+?, present since 2.17.0, and PATTERNFLOATTRAILINGDOT, added in 2.17.2. PATTERNFLOAT places adjacent quantifiers over the same character...