High
jetty12, jetty9 — security advisory
In Eclipse Jetty, versions 12.0.0-12.0.31 and 12.1.0-12.0.5, class GzipHandler exposes a vulnerability when a compressed HTTP request, with Content-Encoding: gzip, is processed and the corresponding response is not compressed. This happens because the JDK Inflater is allocated for decompressing the request, but it is not released because the release mechanism is tied to the compressed response. In this case, since the response is not compressed, the release mechanism does not trigger, causing the leak.
- Products
- jetty12, jetty9
- Affected versions
- 12.0.17-3.1, 12.0.32-1, 9.2.14-1, 9.2.22-2, 9.2.22-3, 9.2.23-1, 9.4.15-1~18.04.1ubuntu1, 9.4.18-2build2, 9.4.26-1, 9.4.39-3, 9.4.44-2, 9.4.44-3, 9.4.44-4, 9.4.45-1, 9.4.51-2, 9.4.53-1, 9.4.56-1, 9.4.57-1, 9.4.57-1.1, 9.4.58-1, 9.4.58-2
- Fixed versions
- Not specified
- CVEs
- CVE-2026-1605
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:55 UTC · Revision 1
Source evidence
In Eclipse Jetty, versions 12.0.0-12.0.31 and 12.1.0-12.0.5, class GzipHandler exposes a vulnerability when a compressed HTTP request, with Content-Encoding: gzip, is processed and the corresponding response is not compressed. This happens because the JDK Inflater is allocated for decompressing the request, but it is not released because the release mechanism is tied to the compressed response. In this case, since the response is not compressed, the release mechanism does not trigger, causing the leak.
osv:UBUNTU-CVE-2026-1605
jetty9
Fixed versions: Not specified
jetty9
Fixed versions: Not specified
jetty9
Fixed versions: Not specified
jetty9
Fixed versions: Not specified
jetty9
Fixed versions: Not specified
jetty9
Fixed versions: Not specified
jetty12
Fixed versions: Not specified
jetty9
Fixed versions: Not specified
jetty12
Fixed versions: Not specified
jetty9
Fixed versions: Not specified
Complete source record
{
"id": "2b86d7c2356b556c1b6131d2d71f3b43f8fe354e239fca60ce596aaa73d2e40d",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-1605",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-1605",
"summary": "In Eclipse Jetty, versions 12.0.0-12.0.31 and 12.1.0-12.0.5, class GzipHandler exposes a vulnerability when a compressed HTTP request, with Content-Encoding: gzip, is processed and the corresponding response is not compressed. This happens because the JDK Inflater is allocated for decompressing the request, but it is not released because the release mechanism is tied to the compressed response. In this case, since the response is not compressed, the release mechanism does not trigger, causing the leak.",
"evidence": "osv:UBUNTU-CVE-2026-1605",
"products": [
{
"name": {
"value": "jetty9",
"evidence": "/affected/0/package/name"
},
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"affected_versions": [
{
"value": "9.2.14-1",
"evidence": "/affected/0/versions"
}
]
},
{
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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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"evidence": "/affected/7/versions"
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{
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"evidence": "/affected/7/versions"
}
]
},
{
"name": {
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"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "12.0.17-3.1",
"evidence": "/affected/8/versions"
},
{
"value": "12.0.32-1",
"evidence": "/affected/8/versions"
}
]
},
{
"name": {
"value": "jetty9",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "9.4.57-1",
"evidence": "/affected/9/versions"
},
{
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"evidence": "/affected/9/versions"
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"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2026-1605",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
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"type": "ECOSYSTEM",
"events": [
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"package": {
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"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"9.2.14-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1605.json"
},
"ecosystem_specific": {
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},
{
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"ecosystem": "Ubuntu:18.04:LTS"
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],
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},
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],
"modified": "2026-10-17T12:59:53.220483603Z",
"provider": "osv",
"upstream": [
"CVE-2026-1605"
],
"references": [
"https://ubuntu.com/security/CVE-2026-1605",
"https://www.cve.org/CVERecord?id=CVE-2026-1605",
"https://github.com/jetty/jetty.project/security/advisories/GHSA-xxh7-fcf3-rj7f"
]
},
"related_cves": [
{
"value": "CVE-2026-1605",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 359859,
"published_at": "2026-03-05T10:15:00+00:00"
}