In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.
{
"severity": "HIGH",
"nvd_published_at": "2019-07-01T02:15:00Z",
"github_reviewed_at": "2023-06-09T23:00:36Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-908"
]
}