MediumFix available
pdfresurrect — security advisory
A flaw was found in PDFResurrect in version 0.22b. There is an infinite loop in get_xref_linear_skipped() in pdf.c via a crafted PDF file.
- Products
- pdfresurrect
- Affected versions
- 0.12-1, 0.12-2, 0.12-4, 0.12-4ubuntu0.1~esm1, 0.12-5, 0.12-6, 0.12-6ubuntu0.1, 0.12-6ubuntu0.2, 0.14-1, 0.18-2, 0.19-1, 0.22-1, 0.22-2, 0.23-2, 0.23-2build1
- Fixed versions
- 0.12-6ubuntu0.2+esm1, 0.14-1ubuntu0.1~esm1, 0.19-1ubuntu0.1~esm1, 0.22-2ubuntu0.1~esm1
- CVEs
- CVE-2021-3508
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:44 UTC · Revision 1
Source evidence
A flaw was found in PDFResurrect in version 0.22b. There is an infinite loop in get_xref_linear_skipped() in pdf.c via a crafted PDF file.
osv:UBUNTU-CVE-2021-3508
pdfresurrect
Fixed versions: Not specified
pdfresurrect
Fixed versions: 0.12-6ubuntu0.2+esm1
pdfresurrect
Fixed versions: 0.14-1ubuntu0.1~esm1
pdfresurrect
Fixed versions: 0.19-1ubuntu0.1~esm1
pdfresurrect
Fixed versions: 0.22-2ubuntu0.1~esm1
pdfresurrect
Fixed versions: Not specified
pdfresurrect
Fixed versions: Not specified
pdfresurrect
Fixed versions: Not specified
pdfresurrect
Fixed versions: Not specified
Complete source record
{
"id": "fcc32a37a112db97634542b91e9a368afad07ff544b2fe18b76ec7c51ab8d88d",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-3508",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2021-3508",
"summary": "A flaw was found in PDFResurrect in version 0.22b. There is an infinite loop in get_xref_linear_skipped() in pdf.c via a crafted PDF file.",
"evidence": "osv:UBUNTU-CVE-2021-3508",
"products": [
{
"name": {
"value": "pdfresurrect",
"evidence": "/affected/0/package/name"
},
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"affected_versions": [
{
"value": "0.12-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.12-2",
"evidence": "/affected/0/versions"
},
{
"value": "0.12-4",
"evidence": "/affected/0/versions"
},
{
"value": "0.12-4ubuntu0.1~esm1",
"evidence": "/affected/0/versions"
}
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},
{
"name": {
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"evidence": "/affected/1/package/name"
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"affected_versions": [
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{
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{
"value": "0.12-6ubuntu0.1",
"evidence": "/affected/1/versions"
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{
"value": "0.12-6ubuntu0.2",
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{
"name": {
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},
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{
"value": "0.14-1ubuntu0.1~esm1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "0.12-6",
"evidence": "/affected/2/versions"
},
{
"value": "0.14-1",
"evidence": "/affected/2/versions"
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]
},
{
"name": {
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"evidence": "/affected/3/package/name"
},
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{
"value": "0.19-1ubuntu0.1~esm1",
"evidence": "/affected/3/ranges"
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],
"affected_versions": [
{
"value": "0.18-2",
"evidence": "/affected/3/versions"
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{
"value": "0.19-1",
"evidence": "/affected/3/versions"
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]
},
{
"name": {
"value": "pdfresurrect",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.22-2ubuntu0.1~esm1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": [
{
"value": "0.22-1",
"evidence": "/affected/4/versions"
},
{
"value": "0.22-2",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "pdfresurrect",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.23-2",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "pdfresurrect",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.23-2",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "pdfresurrect",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.23-2build1",
"evidence": "/affected/7/versions"
}
]
},
{
"name": {
"value": "pdfresurrect",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.23-2",
"evidence": "/affected/8/versions"
},
{
"value": "0.23-2build1",
"evidence": "/affected/8/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2021-3508",
"aliases": [
"UBUNTU-CVE-2021-3508"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
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],
"package": {
"name": "pdfresurrect",
"purl": "pkg:deb/ubuntu/pdfresurrect?arch=source&distro=esm-infra-legacy%2Ftrusty",
"ecosystem": "Ubuntu:Pro:14.04:LTS"
},
"versions": [
"0.12-1",
"0.12-2",
"0.12-4",
"0.12-4ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3508.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "pdfresurrect",
"binary_version": "0.12-4ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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{
"fixed": "0.12-6ubuntu0.2+esm1"
}
]
}
],
"package": {
"name": "pdfresurrect",
"purl": "pkg:deb/ubuntu/pdfresurrect?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"0.12-5",
"0.12-6",
"0.12-6ubuntu0.1",
"0.12-6ubuntu0.2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3508.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "pdfresurrect",
"binary_version": "0.12-6ubuntu0.2+esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.14-1ubuntu0.1~esm1"
}
]
}
],
"package": {
"name": "pdfresurrect",
"purl": "pkg:deb/ubuntu/pdfresurrect?arch=source&distro=esm-apps%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"0.12-6",
"0.14-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3508.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "pdfresurrect",
"binary_version": "0.14-1ubuntu0.1~esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
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{
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]
}
],
"package": {
"name": "pdfresurrect",
"purl": "pkg:deb/ubuntu/pdfresurrect?arch=source&distro=esm-apps%2Ffocal",
"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
"0.18-2",
"0.19-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3508.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "pdfresurrect",
"binary_version": "0.19-1ubuntu0.1~esm1"
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],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
"introduced": "0"
},
{
"fixed": "0.22-2ubuntu0.1~esm1"
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]
}
],
"package": {
"name": "pdfresurrect",
"purl": "pkg:deb/ubuntu/pdfresurrect?arch=source&distro=esm-apps%2Fjammy",
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"versions": [
"0.22-1",
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{
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{
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{
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{
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},
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"0.23-2"
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"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3508.json"
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"binaries": [
{
"binary_name": "pdfresurrect",
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},
{
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{
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"ecosystem": "Ubuntu:26.10"
},
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"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3508.json"
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{
"binary_name": "pdfresurrect",
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}
},
{
"ranges": [
{
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],
"package": {
"name": "pdfresurrect",
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},
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"0.23-2",
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"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3508.json"
},
"ecosystem_specific": {
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{
"binary_name": "pdfresurrect",
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}
],
"modified": "2026-10-17T12:56:00.726638110Z",
"provider": "osv",
"upstream": [
"CVE-2021-3508"
],
"references": [
"https://ubuntu.com/security/CVE-2021-3508",
"https://github.com/enferex/pdfresurrect/issues/17",
"https://github.com/enferex/pdfresurrect/commit/7e35d1806e111fd28610ccc86bb33f54792ac370",
"https://ubuntu.com/security/notices/USN-5282-1",
"https://www.cve.org/CVERecord?id=CVE-2021-3508"
]
},
"related_cves": [
{
"value": "CVE-2021-3508",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354554,
"published_at": "2021-04-28T14:15:00+00:00"
}