Medium
pypdf, pypdf2 and 1 more products — security advisory
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.
- Products
- pypdf, pypdf2, python-pypdf
- Affected versions
- 1.23+git20141008-1, 1.25.1-1, 1.25.1-1ubuntu0.1~esm1, 1.25.1-1ubuntu0.1~esm2, 1.26.0-2, 1.26.0-2ubuntu0.1~esm1, 1.26.0-2ubuntu0.1~esm2, 1.26.0-3ubuntu1, 1.26.0-3ubuntu1.20.04.1, 1.26.0-3ubuntu1.20.04.2, 1.26.0-4, 1.26.0-4ubuntu0.22.04.1, 1.26.0-4ubuntu0.22.04.2, 1:1.13-3, 2.12.1-3, 2.12.1-4, 3.17.4-1, 3.4.1-1, 4.0.0-1, 4.0.1-1, 4.0.2-1, 4.3.1-1, 5.4.0-1, 6.9.2-1, 6.9.2-2
- Fixed versions
- Not specified
- CVEs
- CVE-2026-54530
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:46 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2026-54530
pypdf2
Fixed versions: Not specified
python-pypdf
Fixed versions: Not specified
pypdf2
Fixed versions: Not specified
pypdf2
Fixed versions: Not specified
pypdf2
Fixed versions: Not specified
pypdf
Fixed versions: Not specified
pypdf2
Fixed versions: Not specified
pypdf
Fixed versions: Not specified
pypdf
Fixed versions: Not specified
pypdf
Fixed versions: Not specified
Complete source record
{
"id": "37451c2c325e458c193c4ee176cc621f82b03ed239d9f3746969f7dae1795511",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-54530",
"method": "structured",
"payload": {
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"title": "UBUNTU-CVE-2026-54530",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2026-54530",
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{
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"1.25.1-1",
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"modified": "2026-10-17T12:59:06.978923417Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2026-54530",
"https://www.cve.org/CVERecord?id=CVE-2026-54530",
"https://github.com/py-pdf/pypdf/pull/3830",
"https://github.com/py-pdf/pypdf/releases/tag/6.13.0",
"https://github.com/py-pdf/pypdf/security/advisories/GHSA-52x6-gq3r-vpf4"
]
},
"related_cves": [
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"value": "CVE-2026-54530",
"evidence": "/upstream"
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"security_relevant": true,
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},
"source_id": "core-osv",
"document_id": 359311,
"published_at": "2026-06-22T21:16:00+00:00"
}