UnratedFix available
nginx vulnerabilities
Type: advisorySources: OSV
It was discovered that nginx incorrectly handled certain configurations using the alias directive together with rewrite rules. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-15176) It was discovered that nginx incorrectly handled map directives using regex matching under certain circumstances. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-93479) It was discovered that nginx incorrectly handled HTTP/3 requests when proxy_request_buffering was enabled. This issue only affected Ubuntu 26.04 LTS and Ubuntu 26.10. A remote attacker could possibly use this issue to inject data into proxied requests. (CVE-2026-95101) It was discovered that nginx incorrectly handled asynchronous file I/O in certain configurations with Server Side Includes pages. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-97205) It was discovered that nginx incorrectly handled SSL session ticket keys when configured with a shared session cache but without explicit ticket key rotation. This issue only affected Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. A remote attacker could possibly use this issue to forge client SSL sessions and bypass client certificate verification. (CVE-2026-97629)
- Products
- nginx
- Affected versions
- 1.18.0-6ubuntu11, 1.18.0-6ubuntu12, 1.18.0-6ubuntu14, 1.18.0-6ubuntu14.1, 1.18.0-6ubuntu14.10, 1.18.0-6ubuntu14.11, 1.18.0-6ubuntu14.12, 1.18.0-6ubuntu14.13, 1.18.0-6ubuntu14.14, 1.18.0-6ubuntu14.15, 1.18.0-6ubuntu14.16, 1.18.0-6ubuntu14.17, 1.18.0-6ubuntu14.18, 1.18.0-6ubuntu14.19, 1.18.0-6ubuntu14.2, 1.18.0-6ubuntu14.20, 1.18.0-6ubuntu14.21, 1.18.0-6ubuntu14.3, 1.18.0-6ubuntu14.4, 1.18.0-6ubuntu14.5, 1.18.0-6ubuntu14.6, 1.18.0-6ubuntu14.7, 1.18.0-6ubuntu14.8, 1.24.0-1ubuntu1, 1.24.0-2ubuntu1, 1.24.0-2ubuntu2, 1.24.0-2ubuntu3, 1.24.0-2ubuntu4, 1.24.0-2ubuntu6, 1.24.0-2ubuntu7, 1.24.0-2ubuntu7.1, 1.24.0-2ubuntu7.10, 1.24.0-2ubuntu7.11, 1.24.0-2ubuntu7.12, 1.24.0-2ubuntu7.13, 1.24.0-2ubuntu7.14, 1.24.0-2ubuntu7.15, 1.24.0-2ubuntu7.16, 1.24.0-2ubuntu7.17, 1.24.0-2ubuntu7.18, 1.24.0-2ubuntu7.3, 1.24.0-2ubuntu7.4, 1.24.0-2ubuntu7.5, 1.24.0-2ubuntu7.6, 1.24.0-2ubuntu7.7, 1.24.0-2ubuntu7.8, 1.24.0-2ubuntu7.9, 1.28.0-6ubuntu1, 1.28.1-2ubuntu1, 1.28.1-3ubuntu1, 1.28.2-2ubuntu1, 1.28.3-2ubuntu1, 1.28.3-2ubuntu1.1, 1.28.3-2ubuntu1.10, 1.28.3-2ubuntu1.11, 1.28.3-2ubuntu1.2, 1.28.3-2ubuntu1.3, 1.28.3-2ubuntu1.4, 1.28.3-2ubuntu1.5, 1.28.3-2ubuntu1.6, 1.28.3-2ubuntu1.7, 1.28.3-2ubuntu1.8, 1.28.3-2ubuntu1.9, 1.30.1-4ubuntu1, 1.30.1-6ubuntu1, 1.30.4-5ubuntu1, 1.30.4-7ubuntu1
- Fixed versions
- 1.18.0-6ubuntu14.22, 1.24.0-2ubuntu7.19, 1.28.3-2ubuntu1.12, 1.30.4-7ubuntu1.1
- CVEs
- CVE-2026-15176, CVE-2026-93479, CVE-2026-95101, CVE-2026-97205, CVE-2026-97629
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 16:51 UTC · Revision 1
Source evidence
It was discovered that nginx incorrectly handled certain configurations using the alias directive together with rewrite rules. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-15176) It was discovered that nginx incorrectly handled map directives using regex matching under certain circumstances. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-93479) It was discovered that nginx incorrectly handled HTTP/3 requests when proxy_request_buffering was enabled. This issue only affected Ubuntu 26.04 LTS and Ubuntu 26.10. A remote attacker could possibly use this issue to inject data into proxied requests. (CVE-2026-95101) It was discovered that nginx incorrectly handled asynchronous file I/O in certain configurations with Server Side Includes pages. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-97205) It was discovered that nginx incorrectly handled SSL session ticket keys when configured with a shared session cache but without explicit ticket key rotation. This issue only affected Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. A remote attacker could possibly use this issue to forge client SSL sessions and bypass client certificate verification. (CVE-2026-97629)
osv:USN-8955-1
nginx
Fixed versions: 1.18.0-6ubuntu14.22
nginx
Fixed versions: 1.24.0-2ubuntu7.19
nginx
Fixed versions: 1.30.4-7ubuntu1.1
nginx
Fixed versions: 1.28.3-2ubuntu1.12
Complete source record
{
"id": "24739d8bd2fdabb6a6b6bc2f0ec995e2c04a6b4011d0d057f74bf4f0d358c0f2",
"url": "https://osv.dev/vulnerability/USN-8955-1",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "nginx vulnerabilities",
"summary": "It was discovered that nginx incorrectly handled certain configurations using the alias directive together with rewrite rules. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-15176) It was discovered that nginx incorrectly handled map directives using regex matching under certain circumstances. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-93479) It was discovered that nginx incorrectly handled HTTP/3 requests when proxy_request_buffering was enabled. This issue only affected Ubuntu 26.04 LTS and Ubuntu 26.10. A remote attacker could possibly use this issue to inject data into proxied requests. (CVE-2026-95101) It was discovered that nginx incorrectly handled asynchronous file I/O in certain configurations with Server Side Includes pages. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-97205) It was discovered that nginx incorrectly handled SSL session ticket keys when configured with a shared session cache but without explicit ticket key rotation. This issue only affected Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10. A remote attacker could possibly use this issue to forge client SSL sessions and bypass client certificate verification. (CVE-2026-97629)",
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{
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"affected_versions": [
{
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{
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{
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{
"value": "1.24.0-2ubuntu3",
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{
"value": "1.24.0-2ubuntu4",
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{
"value": "1.24.0-2ubuntu6",
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{
"value": "1.24.0-2ubuntu7",
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{
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{
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{
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{
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{
"value": "1.24.0-2ubuntu7.6",
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{
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{
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"value": "1.24.0-2ubuntu7.15",
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{
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{
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{
"value": "1.28.3-2ubuntu1.2",
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{
"value": "1.28.3-2ubuntu1.3",
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{
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{
"value": "1.28.3-2ubuntu1.5",
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{
"value": "1.28.3-2ubuntu1.6",
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{
"value": "1.28.3-2ubuntu1.7",
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},
{
"value": "1.28.3-2ubuntu1.8",
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{
"value": "1.28.3-2ubuntu1.9",
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{
"value": "1.28.3-2ubuntu1.10",
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{
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"aliases": [
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"package": {
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"1.18.0-6ubuntu14.19",
"1.18.0-6ubuntu14.20",
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"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8955-1.json",
"cves_map": {
"cves": [
{
"id": "CVE-2026-15176",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
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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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},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "Ubuntu",
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}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libnginx-mod-http-auth-pam",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-cache-purge",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-dav-ext",
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},
{
"binary_name": "libnginx-mod-http-echo",
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},
{
"binary_name": "libnginx-mod-http-fancyindex",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-geoip",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-geoip2",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-headers-more-filter",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-image-filter",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-ndk",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-perl",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-subs-filter",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-uploadprogress",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-upstream-fair",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-http-xslt-filter",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-mail",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-nchan",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-rtmp",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-stream",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-stream-geoip",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "libnginx-mod-stream-geoip2",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "nginx",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "nginx-common",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "nginx-core",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "nginx-extras",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "nginx-full",
"binary_version": "1.18.0-6ubuntu14.22"
},
{
"binary_name": "nginx-light",
"binary_version": "1.18.0-6ubuntu14.22"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.24.0-2ubuntu7.19"
}
]
}
],
"package": {
"name": "nginx",
"purl": "pkg:deb/ubuntu/nginx?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1.24.0-1ubuntu1",
"1.24.0-2ubuntu1",
"1.24.0-2ubuntu2",
"1.24.0-2ubuntu3",
"1.24.0-2ubuntu4",
"1.24.0-2ubuntu6",
"1.24.0-2ubuntu7",
"1.24.0-2ubuntu7.1",
"1.24.0-2ubuntu7.3",
"1.24.0-2ubuntu7.4",
"1.24.0-2ubuntu7.5",
"1.24.0-2ubuntu7.6",
"1.24.0-2ubuntu7.7",
"1.24.0-2ubuntu7.8",
"1.24.0-2ubuntu7.9",
"1.24.0-2ubuntu7.10",
"1.24.0-2ubuntu7.11",
"1.24.0-2ubuntu7.12",
"1.24.0-2ubuntu7.13",
"1.24.0-2ubuntu7.14",
"1.24.0-2ubuntu7.15",
"1.24.0-2ubuntu7.16",
"1.24.0-2ubuntu7.17",
"1.24.0-2ubuntu7.18"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8955-1.json",
"cves_map": {
"cves": [
{
"id": "CVE-2026-15176",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-93479",
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{
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],
"modified": "2026-10-26T22:46:19.977872622Z",
"provider": "osv",
"upstream": [
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"CVE-2026-93479",
"CVE-2026-95101",
"CVE-2026-97205",
"CVE-2026-97629",
"UBUNTU-CVE-2026-15176",
"UBUNTU-CVE-2026-93479",
"UBUNTU-CVE-2026-95101",
"UBUNTU-CVE-2026-97205",
"UBUNTU-CVE-2026-97629"
],
"references": [
"https://ubuntu.com/security/notices/USN-8955-1",
"https://ubuntu.com/security/CVE-2026-15176",
"https://ubuntu.com/security/CVE-2026-93479",
"https://ubuntu.com/security/CVE-2026-95101",
"https://ubuntu.com/security/CVE-2026-97205",
"https://ubuntu.com/security/CVE-2026-97629"
]
},
"related_cves": [
{
"value": "CVE-2026-15176",
"evidence": "/upstream"
},
{
"value": "CVE-2026-93479",
"evidence": "/upstream"
},
{
"value": "CVE-2026-95101",
"evidence": "/upstream"
},
{
"value": "CVE-2026-97205",
"evidence": "/upstream"
},
{
"value": "CVE-2026-97629",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 458996,
"published_at": "2026-10-26T15:34:05+00:00"
}