pypdf is a free and open-source pure-python PDF library. Prior to 6.13.0, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires extracting the text in layout mode. This vulnerability is fixed in 6.13.0.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-835"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54530.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "6.13.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"original_tag": "6.13.0",
"range": [
{
"fixed": "98afb457f1ab423c6f07975ccc418cbabc40665d"
}
],
"source": "REFERENCES_TAG"
},
{
"cpe": "cpe:2.3:a:pypdf_project:pypdf:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "6.13.0"
}
],
"source": "CPE_RANGE"
}
]
}