High
Security advisory
PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-overflow in pdf_get_version().
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-20740
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:34 UTC · Revision 1
Source evidence
PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-overflow in pdf_get_version().
osv:CVE-2020-20740
Complete source record
{
"id": "f8a670c389839a26b5fd28e0325bb546bf31e0df338c7616c7be8a47027caa27",
"url": "https://osv.dev/vulnerability/CVE-2020-20740",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-20740",
"summary": "PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-overflow in pdf_get_version().",
"evidence": "osv:CVE-2020-20740",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-20740",
"aliases": [
"CVE-2020-20740"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/enferex/pdfresurrect",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "8d3c49233e4a70afd41a81c41209148af3dd0316"
},
{
"fixed": "1b422459f07353adce2878806d5247d9e91fb397"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:pdfresurrect_project:pdfresurrect:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.20"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "1b422459f07353adce2878806d5247d9e91fb397"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v0.19",
"v0.18",
"v0.17",
"v0.16",
"v0.15",
"v0.14",
"v0.13",
"v0.12"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-20740.json",
"vanir_signatures": [
{
"id": "CVE-2020-20740-5e0d8d3f",
"digest": {
"threshold": 0.9,
"line_hashes": [
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},
"source": "https://github.com/enferex/pdfresurrect/commit/1b422459f07353adce2878806d5247d9e91fb397",
"target": {
"file": "pdf.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2020-20740-c7c6c892",
"digest": {
"length": 353,
"function_hash": "7694318883069593882664429430910905849"
},
"source": "https://github.com/enferex/pdfresurrect/commit/1b422459f07353adce2878806d5247d9e91fb397",
"target": {
"file": "pdf.c",
"function": "pdf_get_version"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2020-20740-f0635895",
"digest": {
"length": 187,
"function_hash": "181394584310099238219538178524145636982"
},
"source": "https://github.com/enferex/pdfresurrect/commit/1b422459f07353adce2878806d5247d9e91fb397",
"target": {
"file": "pdf.c",
"function": "pdf_is_pdf"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:52:42Z"
}
}
],
"modified": "2026-10-20T13:52:42.780647086Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMEEEPBBGER5LPABBRVZLMCC6Z24RBXW/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZOIEVFM3SIMAEOFJKKMYH2TLZ7PXLSUD/",
"https://lists.debian.org/debian-lts-announce/2020/12/msg00002.html",
"https://github.com/enferex/pdfresurrect/issues/14",
"https://github.com/enferex/pdfresurrect/commit/1b422459f07353adce2878806d5247d9e91fb397"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "32"
},
{
"last_affected": "32"
},
{
"introduced": "33"
},
{
"last_affected": "33"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-20740",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388335,
"published_at": "2020-11-20T19:15:11.803+00:00"
}