Medium
netty — security advisory
A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls or accessing unauthorized resources.
- Products
- netty
- Affected versions
- 1:4.1.48-10, 1:4.1.48-10+deb13u1, 1:4.1.48-11, 1:4.1.48-12, 1:4.1.48-13, 1:4.1.48-14, 1:4.1.48-15, 1:4.1.48-16, 1:4.1.48-7, 1:4.1.48-7+deb12u1, 1:4.1.48-7+deb12u2, 1:4.1.48-8, 1:4.1.48-9
- Fixed versions
- Not specified
- CVEs
- CVE-2026-93562
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 20:00 UTC · Revision 1
Source evidence
A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls or accessing unauthorized resources.
osv:DEBIAN-CVE-2026-93562
netty
Fixed versions: Not specified
netty
Fixed versions: Not specified
netty
Fixed versions: Not specified
Complete source record
{
"id": "bea34936ed566aacaddaf41d67eb137c116f4c1c03f4ac1d5d93457d442250d1",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-93562",
"method": "structured",
"payload": {
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"title": "DEBIAN-CVE-2026-93562",
"summary": "A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls or accessing unauthorized resources.",
"evidence": "osv:DEBIAN-CVE-2026-93562",
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],
"severity": "medium",
"structured": {
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"aliases": [
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"metrics": [
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"affected": [
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"package": {
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}
}
],
"modified": "2026-10-16T09:47:34.621876714Z",
"provider": "osv",
"upstream": [
"CVE-2026-93562"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-93562"
]
},
"related_cves": [
{
"value": "CVE-2026-93562",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 338651,
"published_at": "2026-09-18T21:18:46.977+00:00"
}