Medium
Security advisory
In Django 3.2 before 3.2.25, 4.2 before 4.2.11, and 5.0 before 5.0.3, the django.utils.text.Truncator.words() method (with html=True) and the truncatewords_html template filter are subject to a potential regular expression denial-of-service attack via a crafted string. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232 and CVE-2023-43665.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-27351
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 6 Nov 2026, 19:13 UTC · Revision 1
Source evidence
In Django 3.2 before 3.2.25, 4.2 before 4.2.11, and 5.0 before 5.0.3, the django.utils.text.Truncator.words() method (with html=True) and the truncatewords_html template filter are subject to a potential regular expression denial-of-service attack via a crafted string. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232 and CVE-2023-43665.
osv:CVE-2024-27351
Complete source record
{
"id": "fe43a187151827b4062b92f58b351c373b12978064a403f28761cebd2df3cc61",
"url": "https://osv.dev/vulnerability/CVE-2024-27351",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2024-27351",
"summary": "In Django 3.2 before 3.2.25, 4.2 before 4.2.11, and 5.0 before 5.0.3, the django.utils.text.Truncator.words() method (with html=True) and the truncatewords_html template filter are subject to a potential regular expression denial-of-service attack via a crafted string. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232 and CVE-2023-43665.",
"evidence": "osv:CVE-2024-27351",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2024-27351",
"aliases": [
"BIT-django-2024-27351",
"CVE-2024-27351",
"GHSA-vm8q-m57g-pff3",
"PYSEC-2024-47"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/django/django",
"type": "GIT",
"events": [
{
"introduced": "3591e1c1acbd7c13174275367c3fdf012cb0413b"
},
{
"fixed": "c98eca322af87adf046ab621e7c8a23d340f7afe"
},
{
"introduced": "97aa3b7f08f51669e118f3af5ca91026e39664c3"
},
{
"fixed": "61a986f53d805e4d359ab61af60a2dcd55befe25"
},
{
"introduced": "52821001bb62b764d73e63812133f199b8fef9eb"
},
{
"fixed": "4b64d7285c4aa592c902985b6284ee3afe904595"
},
{
"fixed": "072963e4c4d0b3a7a8c5412bc0c7d27d1a9c3521"
},
{
"fixed": "3394fc6132436eca89e997083bae9985fb7e761e"
},
{
"fixed": "3c9a2771cc80821e041b16eb36c1c37af5349d4a"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2"
},
{
"fixed": "3.2.25"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2"
},
{
"fixed": "4.2.11"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.0"
},
{
"fixed": "5.0.3"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "072963e4c4d0b3a7a8c5412bc0c7d27d1a9c3521"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "3394fc6132436eca89e997083bae9985fb7e761e"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "3c9a2771cc80821e041b16eb36c1c37af5349d4a"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-27351.json"
}
}
],
"modified": "2026-10-28T02:30:47.808522073Z",
"provider": "osv",
"references": [
"https://docs.djangoproject.com/en/5.0/releases/security/",
"https://groups.google.com/forum/#%21forum/django-announce",
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D2JIRXEDP4ZET5KFMAPPYSK663Q52NEX/",
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SN2PLJGYSAAG5KUVIUFJYKD3BLQ4OSN6/",
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27351.json",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D2JIRXEDP4ZET5KFMAPPYSK663Q52NEX/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SN2PLJGYSAAG5KUVIUFJYKD3BLQ4OSN6/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/",
"https://nvd.nist.gov/vuln/detail/CVE-2024-27351",
"https://github.com/django/django/commit/072963e4c4d0b3a7a8c5412bc0c7d27d1a9c3521",
"https://github.com/django/django/commit/3394fc6132436eca89e997083bae9985fb7e761e",
"https://github.com/django/django/commit/3c9a2771cc80821e041b16eb36c1c37af5349d4a",
"https://www.djangoproject.com/weblog/2024/mar/04/security-releases/"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27351.json"
}
},
"related_cves": [
{
"value": "CVE-2024-27351",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 515952,
"published_at": "2024-03-15T00:00:00+00:00"
}