UnratedFix available
Fix CVE(s): CVE-2026-7210
Type: advisorySources: OSV
* SECURITY UPDATE: insufficient entropy in pyexpat/_elementtree hash-flooding protection (CVE-2026-7210) - debian/patches/CVE-2026-7210.patch: bind XML_SetHashSalt16Bytes as a weak symbol to seed the parser with 16 bytes of entropy; falls back to the legacy 8-byte XML_SetHashSalt when libexpat lacks the symbol. - CVE-2026-7210
- Products
- idle-python3.5, libpython3.5, libpython3.5-dev, libpython3.5-minimal, libpython3.5-stdlib, libpython3.5-testsuite, python3.5, python3.5-dev, python3.5-doc, python3.5-examples, python3.5-minimal, python3.5-venv
- Affected versions
- Not specified
- Fixed versions
- 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
- CVEs
- CVE-2026-7210
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:37 UTC · Revision 1
Source evidence
* SECURITY UPDATE: insufficient entropy in pyexpat/_elementtree hash-flooding protection (CVE-2026-7210) - debian/patches/CVE-2026-7210.patch: bind XML_SetHashSalt16Bytes as a weak symbol to seed the parser with 16 bytes of entropy; falls back to the legacy 8-byte XML_SetHashSalt when libexpat lacks the symbol. - CVE-2026-7210
osv:CLSA-2026-1780675974
idle-python3.5
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
libpython3.5
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
libpython3.5-dev
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
libpython3.5-minimal
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
libpython3.5-stdlib
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
libpython3.5-testsuite
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
python3.5
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
python3.5-dev
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
python3.5-doc
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
python3.5-examples
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
python3.5-minimal
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
python3.5-venv
Fixed versions: 1:3.5.2-2ubuntu0~16.04.13+tuxcare.els25
Complete source record
{
"id": "1f5c5ecfc79bb0018821b15325932c8d607aab64361c4e47cdaeae8d3efa2091",
"url": "https://osv.dev/vulnerability/CLSA-2026-1780675974",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-7210",
"summary": "* SECURITY UPDATE: insufficient entropy in pyexpat/_elementtree hash-flooding protection (CVE-2026-7210) - debian/patches/CVE-2026-7210.patch: bind XML_SetHashSalt16Bytes as a weak symbol to seed the parser with 16 bytes of entropy; falls back to the legacy 8-byte XML_SetHashSalt when libexpat lacks the symbol. - CVE-2026-7210",
"evidence": "osv:CLSA-2026-1780675974",
"products": [
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"evidence": "/affected/0/package/name"
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"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
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{
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{
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{
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{
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"affected_versions": []
},
{
"name": {
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"evidence": "/affected/9/package/name"
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"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/9/ranges"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/10/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "python3.5-venv",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
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],
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],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1780675974",
"aliases": [
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],
"affected": [
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],
"package": {
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"purl": "pkg:deb/tuxcare/idle-python3.5?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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{
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"package": {
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"purl": "pkg:deb/tuxcare/libpython3.5?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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{
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"package": {
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"purl": "pkg:deb/tuxcare/libpython3.5-dev?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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"package": {
"name": "libpython3.5-minimal",
"purl": "pkg:deb/tuxcare/libpython3.5-minimal?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1780675974.json"
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{
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"package": {
"name": "libpython3.5-stdlib",
"purl": "pkg:deb/tuxcare/libpython3.5-stdlib?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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{
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],
"package": {
"name": "libpython3.5-testsuite",
"purl": "pkg:deb/tuxcare/libpython3.5-testsuite?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1780675974.json"
}
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{
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"package": {
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"package": {
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"purl": "pkg:deb/tuxcare/python3.5-minimal?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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}
},
{
"ranges": [
{
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],
"package": {
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"purl": "pkg:deb/tuxcare/python3.5-venv?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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}
],
"modified": "2026-10-26T09:32:00.764664452Z",
"provider": "osv",
"upstream": [
"CVE-2026-7210"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1780675974.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-7210"
]
},
"related_cves": [
{
"value": "CVE-2026-7210",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449291,
"published_at": "2026-06-08T09:07:23+00:00"
}