poppler: Fix of CVE-2025-43903
- CVE-2025-43903: properly verify adbe.pkcs7.sha1 signatures in SignatureHandler::validateSignature to prevent signature forgeries
- Products
- poppler, poppler-cpp, poppler-cpp-devel, poppler-devel, poppler-glib, poppler-glib-devel, poppler-glib-doc, poppler-qt5, poppler-qt5-devel, poppler-utils
- Affected versions
- Not specified
- Fixed versions
- 21.01.0-21.el9.tuxcare.els7
- CVEs
- CVE-2025-43903
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:51 UTC · Revision 1
Source evidence
- CVE-2025-43903: properly verify adbe.pkcs7.sha1 signatures in SignatureHandler::validateSignature to prevent signature forgeries
osv:CLSA-2026-1784038553
poppler
Fixed versions: 21.01.0-21.el9.tuxcare.els7
poppler-cpp
Fixed versions: 21.01.0-21.el9.tuxcare.els7
poppler-cpp-devel
Fixed versions: 21.01.0-21.el9.tuxcare.els7
poppler-devel
Fixed versions: 21.01.0-21.el9.tuxcare.els7
poppler-glib
Fixed versions: 21.01.0-21.el9.tuxcare.els7
poppler-glib-devel
Fixed versions: 21.01.0-21.el9.tuxcare.els7
poppler-glib-doc
Fixed versions: 21.01.0-21.el9.tuxcare.els7
poppler-qt5
Fixed versions: 21.01.0-21.el9.tuxcare.els7
poppler-qt5-devel
Fixed versions: 21.01.0-21.el9.tuxcare.els7
poppler-utils
Fixed versions: 21.01.0-21.el9.tuxcare.els7
Complete source record
{
"id": "27e5d2f6d6c7ecded140ada13bb8bb1a4fd8d81db517df6cda415e43239bd9f3",
"url": "https://osv.dev/vulnerability/CLSA-2026-1784038553",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "poppler: Fix of CVE-2025-43903",
"summary": "- CVE-2025-43903: properly verify adbe.pkcs7.sha1 signatures in SignatureHandler::validateSignature to prevent signature forgeries",
"evidence": "osv:CLSA-2026-1784038553",
"products": [
{
"name": {
"value": "poppler",
"evidence": "/affected/0/package/name"
},
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{
"value": "21.01.0-21.el9.tuxcare.els7",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
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"evidence": "/affected/1/ranges"
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{
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{
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{
"name": {
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"evidence": "/affected/7/package/name"
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"prerequisites": [],
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{
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"evidence": "/affected/7/ranges"
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/8/package/name"
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/9/package/name"
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"evidence": "/affected/9/ranges"
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],
"affected_versions": []
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],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1784038553",
"aliases": [
"CLSA-2026-1784038553"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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{
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}
]
}
],
"package": {
"name": "poppler",
"purl": "pkg:rpm/tuxcare/poppler?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784038553.json"
}
},
{
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"package": {
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"purl": "pkg:rpm/tuxcare/poppler-cpp?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
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{
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"package": {
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"purl": "pkg:rpm/tuxcare/poppler-cpp-devel?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784038553.json"
}
},
{
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]
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],
"package": {
"name": "poppler-devel",
"purl": "pkg:rpm/tuxcare/poppler-devel?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784038553.json"
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{
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],
"package": {
"name": "poppler-glib",
"purl": "pkg:rpm/tuxcare/poppler-glib?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
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"package": {
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"ecosystem": "TuxCare:AlmaLinux:9.6"
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"database_specific": {
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"package": {
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"purl": "pkg:rpm/tuxcare/poppler-glib-doc?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
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"package": {
"name": "poppler-qt5",
"purl": "pkg:rpm/tuxcare/poppler-qt5?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
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},
{
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],
"package": {
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"purl": "pkg:rpm/tuxcare/poppler-qt5-devel?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784038553.json"
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},
{
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],
"package": {
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"purl": "pkg:rpm/tuxcare/poppler-utils?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
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}
}
],
"modified": "2026-10-26T09:31:17.067122076Z",
"provider": "osv",
"upstream": [
"CVE-2025-43903"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1784038553.html",
"https://nvd.nist.gov/vuln/detail/CVE-2025-43903"
]
},
"related_cves": [
{
"value": "CVE-2025-43903",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447562,
"published_at": "2026-07-14T14:16:14+00:00"
}