During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.
{
"unresolved_ranges": [
{
"source": "AFFECTED_FIELD",
"extracted_events": [
{
"fixed": "1.25.9"
},
{
"introduced": "1.26.0-0"
},
{
"fixed": "1.26.2"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32280.json",
"cna_assigner": "Go"
}{
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.25.9"
},
{
"introduced": "1.26.0"
},
{
"fixed": "1.26.2"
}
],
"cpe": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"
}