Medium
undertow — security advisory
A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.
- Products
- undertow
- Affected versions
- 1.3.11-1, 1.3.16-1, 1.3.16-1ubuntu0.1~esm1, 1.3.4-1, 1.3.5-1, 1.3.7-1, 1.4.20-1, 1.4.21-1, 1.4.22-1, 1.4.23-1, 1.4.23-2build1, 1.4.23-3, 1.4.23-3ubuntu0.1~esm1, 2.0.23-1, 2.0.27-1, 2.0.28-1, 2.0.29-1, 2.0.29-1ubuntu0.1~esm1, 2.2.12-1, 2.2.13-1, 2.2.14-1, 2.2.16-1, 2.2.16-1ubuntu0.1~esm1, 2.2.8-1, 2.3.18-1, 2.3.18-2, 2.3.20-1, 2.3.20-1ubuntu1, 2.3.8-2, 2.3.8-2ubuntu0.1~esm1
- Fixed versions
- Not specified
- CVEs
- CVE-2020-10719
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:51 UTC · Revision 1
Source evidence
A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.
osv:UBUNTU-CVE-2020-10719
undertow
Fixed versions: Not specified
undertow
Fixed versions: Not specified
undertow
Fixed versions: Not specified
undertow
Fixed versions: Not specified
undertow
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undertow
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undertow
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undertow
Fixed versions: Not specified
Complete source record
{
"id": "d2c78b8669258c35c8d216f1e4ecb276984803ac0c0c5d02fdbe21be19e6540c",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-10719",
"method": "structured",
"payload": {
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"title": "UBUNTU-CVE-2020-10719",
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"modified": "2026-10-17T12:56:10.096218632Z",
"provider": "osv",
"upstream": [
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"references": [
"https://ubuntu.com/security/CVE-2020-10719",
"https://bugzilla.redhat.com/show_bug.cgi?id=1828459",
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"source_id": "core-osv",
"document_id": 354909,
"published_at": "2020-05-26T16:15:00+00:00"
}