High
suricata — security advisory
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword. The vulnerability has been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords.
- Products
- suricata
- Affected versions
- 1:6.0.4-2, 1:6.0.4-3, 1:7.0.0-2, 1:7.0.10-1, 1:7.0.2-1, 1:7.0.2-1build1, 1:7.0.3-1build1, 1:7.0.3-1build3, 1:7.0.8-2, 1:8.0.1-3build1, 1:8.0.2-1, 1:8.0.2-1build1, 1:8.0.3-1, 1:8.0.5-1, 1:8.0.6-1, 2.0.10-1, 2.0.10-2, 2.0.11-1, 2.0.8-1build1, 2.0.9-1, 3.0-1, 3.2-2ubuntu3
- Fixed versions
- Not specified
- CVEs
- CVE-2024-23839
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:07 UTC · Revision 1
Source evidence
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword. The vulnerability has been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords.
osv:UBUNTU-CVE-2024-23839
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
Complete source record
{
"id": "cecb9602dfcec23b8fdc49039a2ca495ef8036bb9a91227960321674d1e8317e",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2024-23839",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2024-23839",
"summary": "Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword. The vulnerability has been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords.",
"evidence": "osv:UBUNTU-CVE-2024-23839",
"products": [
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},
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"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
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{
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"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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{
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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/6/versions"
},
{
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]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2024-23839",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
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{
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"affected": [
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"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
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"2.0.9-1",
"2.0.10-1",
"2.0.10-2",
"2.0.11-1",
"3.0-1"
],
"database_specific": {
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},
"ecosystem_specific": {
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"binary_version": "3.0-1"
}
]
}
},
{
"ranges": [
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"package": {
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"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
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],
"database_specific": {
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},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libhtp-0.5.23-1",
"binary_version": "3.2-2ubuntu3"
},
{
"binary_name": "suricata",
"binary_version": "3.2-2ubuntu3"
},
{
"binary_name": "suricata-hyperscan",
"binary_version": "3.2-2ubuntu3"
},
{
"binary_name": "suricata-oinkmaster",
"binary_version": "3.2-2ubuntu3"
}
]
}
},
{
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"package": {
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"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1:6.0.4-2",
"1:6.0.4-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-23839.json"
},
"ecosystem_specific": {
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{
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},
"versions": [
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"1:7.0.2-1",
"1:7.0.2-1build1",
"1:7.0.3-1build1",
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"ecosystem": "Ubuntu:25.10"
},
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],
"modified": "2026-10-17T12:56:32.580254133Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2024-23839",
"https://github.com/OISF/suricata/security/advisories/GHSA-qxj6-hr2p-mmc7",
"https://github.com/OISF/suricata/commit/cd731fcaf42e5f7078c9be643bfa0cee2ad53e8f",
"https://redmine.openinfosecfoundation.org/issues/6657",
"https://www.cve.org/CVERecord?id=CVE-2024-23839"
]
},
"related_cves": [
{
"value": "CVE-2024-23839",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 355783,
"published_at": "2024-02-26T16:27:00+00:00"
}