Medium
libsoup2.4, libsoup3 — security advisory
A flaw was found in libsoup’s WebSocket frame processing when handling incoming messages. If a non-default configuration is used where the maximum incoming payload size is unset, the library may read memory outside the intended bounds. This can cause unintended memory exposure or a crash. Applications using libsoup’s WebSocket support with this configuration may be impacted.
- Products
- libsoup2.4, libsoup3
- Affected versions
- 2.50.0-2debian1, 2.52.1-1, 2.52.2-1, 2.52.2-1ubuntu0.1, 2.52.2-1ubuntu0.2, 2.52.2-1ubuntu0.3, 2.52.2-1ubuntu0.3+esm1, 2.52.2-1ubuntu0.3+esm2, 2.52.2-1ubuntu0.3+esm3, 2.52.2-1ubuntu0.3+esm4, 2.52.2-1ubuntu0.3+esm5, 2.52.2-1ubuntu0.3+esm6, 2.52.2-1ubuntu0.3+esm7, 2.52.2-1ubuntu0.3+esm8, 2.60.1-1, 2.60.2-1, 2.60.2-2, 2.60.3-1, 2.61.90-1, 2.62.0-1, 2.62.1-1, 2.62.1-1ubuntu0.1, 2.62.1-1ubuntu0.3, 2.62.1-1ubuntu0.4, 2.62.1-1ubuntu0.4+esm1, 2.62.1-1ubuntu0.4+esm2, 2.62.1-1ubuntu0.4+esm3, 2.62.1-1ubuntu0.4+esm4, 2.62.1-1ubuntu0.4+esm5, 2.62.1-1ubuntu0.4+esm6, 2.62.1-1ubuntu0.4+esm7, 2.62.1-1ubuntu0.4+esm8, 2.62.1-1ubuntu0.4+esm9, 2.68.2-0ubuntu1, 2.68.2-1, 2.68.2-2, 2.68.2-2build2, 2.69.90-1, 2.70.0-1, 2.70.0-1ubuntu0.1, 2.70.0-1ubuntu0.2, 2.70.0-1ubuntu0.3, 2.70.0-1ubuntu0.4, 2.70.0-1ubuntu0.5, 2.70.0-1ubuntu0.5+esm1, 2.70.0-1ubuntu0.5+esm2, 2.70.0-1ubuntu0.5+esm3, 2.70.0-1ubuntu0.5+esm4, 2.72.0-3ubuntu3, 2.74.1-1, 2.74.2-2, 2.74.2-3, 2.74.2-3ubuntu0.1, 2.74.2-3ubuntu0.2, 2.74.2-3ubuntu0.3, 2.74.2-3ubuntu0.4, 2.74.2-3ubuntu0.5, 2.74.2-3ubuntu0.6, 2.74.2-3ubuntu0.7, 2.74.2-3ubuntu0.8, 2.74.2-3ubuntu0.9, 2.74.3-1, 2.74.3-10, 2.74.3-10.1, 2.74.3-10.1ubuntu1, 2.74.3-10.1ubuntu2, 2.74.3-10.1ubuntu3, 2.74.3-10.1ubuntu4, 2.74.3-10.1ubuntu4.1, 2.74.3-10.1ubuntu5, 2.74.3-10.1ubuntu5+esm1, 2.74.3-10.1ubuntu5+esm2, 2.74.3-10.1ubuntu5+esm3, 2.74.3-2, 2.74.3-3, 2.74.3-6, 2.74.3-6build1, 2.74.3-6ubuntu1, 2.74.3-6ubuntu1.1, 2.74.3-6ubuntu1.2, 2.74.3-6ubuntu1.3, 2.74.3-6ubuntu1.4, 2.74.3-6ubuntu1.5, 2.74.3-6ubuntu1.6, 2.74.3-6ubuntu1.7, 2.74.3-6ubuntu1.8, 2.74.3-6ubuntu1.9, 3.0.4-2, 3.0.4-3, 3.0.5-1, 3.0.7-0ubuntu1, 3.0.7-0ubuntu1+esm1, 3.0.7-0ubuntu1+esm2, 3.0.7-0ubuntu1+esm3, 3.0.7-0ubuntu1+esm4, 3.0.7-0ubuntu1+esm5, 3.0.7-0ubuntu1+esm6, 3.0.7-0ubuntu1+esm7, 3.0.7-0ubuntu1+esm8, 3.0.7-0ubuntu1+esm9, 3.4.2-4, 3.4.4-1, 3.4.4-2, 3.4.4-4, 3.4.4-5, 3.4.4-5build1, 3.4.4-5build2, 3.4.4-5ubuntu0.1, 3.4.4-5ubuntu0.2, 3.4.4-5ubuntu0.3, 3.4.4-5ubuntu0.4, 3.4.4-5ubuntu0.5, 3.4.4-5ubuntu0.6, 3.4.4-5ubuntu0.7, 3.4.4-5ubuntu0.8, 3.4.4-5ubuntu0.9, 3.6.5-1, 3.6.5-1ubuntu1, 3.6.5-3, 3.6.5-4, 3.6.5-4ubuntu0.1, 3.6.5-4ubuntu0.2, 3.6.5-5, 3.6.5-6, 3.6.5-7, 3.6.5-9, 3.6.6-1, 3.6.6-1ubuntu0.1, 3.6.6-1ubuntu3
- Fixed versions
- Not specified
- CVEs
- CVE-2026-0716
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 17:40 UTC · Revision 1
Source evidence
A flaw was found in libsoup’s WebSocket frame processing when handling incoming messages. If a non-default configuration is used where the maximum incoming payload size is unset, the library may read memory outside the intended bounds. This can cause unintended memory exposure or a crash. Applications using libsoup’s WebSocket support with this configuration may be impacted.
osv:UBUNTU-CVE-2026-0716
libsoup2.4
Fixed versions: Not specified
libsoup2.4
Fixed versions: Not specified
libsoup2.4
Fixed versions: Not specified
libsoup2.4
Fixed versions: Not specified
libsoup3
Fixed versions: Not specified
libsoup2.4
Fixed versions: Not specified
libsoup3
Fixed versions: Not specified
libsoup2.4
Fixed versions: Not specified
libsoup3
Fixed versions: Not specified
libsoup2.4
Fixed versions: Not specified
libsoup3
Fixed versions: Not specified
libsoup3
Fixed versions: Not specified
libsoup2.4
Fixed versions: Not specified
Complete source record
{
"id": "c731840de0911724e7f402196f640f929f271d5e95572a993d3aef2ea716903b",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-0716",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-0716",
"summary": "A flaw was found in libsoup’s WebSocket frame processing when handling incoming messages. If a non-default configuration is used where the maximum incoming payload size is unset, the library may read memory outside the intended bounds. This can cause unintended memory exposure or a crash. Applications using libsoup’s WebSocket support with this configuration may be impacted.",
"evidence": "osv:UBUNTU-CVE-2026-0716",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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},
{
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{
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{
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{
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{
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},
{
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{
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{
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{
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}
]
},
{
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},
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{
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]
},
{
"name": {
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},
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"affected_versions": [
{
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},
{
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{
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{
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},
{
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"evidence": "/affected/11/versions"
},
{
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"evidence": "/affected/11/versions"
},
{
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"evidence": "/affected/11/versions"
}
]
},
{
"name": {
"value": "libsoup2.4",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.74.3-10.1ubuntu4",
"evidence": "/affected/12/versions"
},
{
"value": "2.74.3-10.1ubuntu5",
"evidence": "/affected/12/versions"
},
{
"value": "2.74.3-10.1ubuntu5+esm1",
"evidence": "/affected/12/versions"
},
{
"value": "2.74.3-10.1ubuntu5+esm2",
"evidence": "/affected/12/versions"
},
{
"value": "2.74.3-10.1ubuntu5+esm3",
"evidence": "/affected/12/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2026-0716",
"aliases": [
"UBUNTU-CVE-2026-0716"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libsoup2.4",
"purl": "pkg:deb/ubuntu/libsoup2.4?arch=source&distro=esm-infra-legacy%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
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"2.52.1-1",
"2.52.2-1",
"2.52.2-1ubuntu0.1",
"2.52.2-1ubuntu0.2",
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],
"modified": "2026-10-22T04:31:00.368405548Z",
"provider": "osv",
"upstream": [
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],
"references": [
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"https://www.cve.org/CVERecord?id=CVE-2026-0716"
]
},
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{
"value": "CVE-2026-0716",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 404316,
"published_at": "2026-01-13T23:16:00+00:00"
}