An issue was discovered in Django 1.11.x before 1.11.23, 2.1.x before 2.1.11, and 2.2.x before 2.2.4. If passed certain inputs, django.utils.encoding.uri_to_iri could lead to significant memory usage due to a recursion when repercent-encoding invalid UTF-8 octet sequences.
CVE-2019-14235
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 4.4%, top 11% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 86.1%
- KEV
- Not listed
Published
August 2, 2019
Last Modified
November 21, 2024
References (20)
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.html
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00025.html
- cve@mitrehttps://docs.djangoproject.com/en/dev/releases/security/
- cve@mitrehttps://groups.google.com/forum/#%21topic/django-announce/jIoju2-KLDs
- cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STVX7X7IDWAH5SKE6MBMY3TEI6ZODBTK/
- cve@mitrehttps://seclists.org/bugtraq/2019/Aug/15
- cve@mitrehttps://security.gentoo.org/glsa/202004-17
- cve@mitrehttps://security.netapp.com/advisory/ntap-20190828-0002/
- cve@mitrehttps://www.debian.org/security/2019/dsa-4498
- cve@mitrehttps://www.djangoproject.com/weblog/2019/aug/01/security-releases/
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00025.html
- af854a3a-2127-422b-91ae-364da2661108https://docs.djangoproject.com/en/dev/releases/security/
- af854a3a-2127-422b-91ae-364da2661108https://groups.google.com/forum/#%21topic/django-announce/jIoju2-KLDs
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STVX7X7IDWAH5SKE6MBMY3TEI6ZODBTK/
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | python3-django (1.8.7-1ubuntu5.10) @ xenial | 2026-05-27 | ubuntu |
| redhat | python-django-0:1.11.27-1.el7ost | 2020-10-28 | redhat |
| redhat | python-django-0:2.1.11-1.el8ost | 2020-04-06 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| django | 1.11 ... 2.2.3 (36 versions) | 2.1.11 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(3)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 7× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
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- 2026-07-03 05:36 UTCOSV refresh
- 2026-07-02 16:56 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
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- 2026-06-30 23:20 UTCEPSS rescore
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- 2026-06-25 13:47 UTCEPSS rescore
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- 2026-06-23 21:30 UTCEPSS rescore
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- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 21:13 UTCOSV refresh
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:58 UTCEPSS rescore
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- 2026-06-08 14:15 UTCEPSS rescore
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- 2026-06-07 15:23 UTCEPSS rescore
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- 2026-06-06 13:45 UTCEPSS rescore
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- 2026-06-05 22:45 UTCEPSS rescore
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- 2026-06-04 13:10 UTCEPSS rescore
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- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
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- 2026-05-31 00:14 UTCEPSS rescore
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- 2026-05-29 13:42 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-27 16:27 UTCEG score recompute
- 2026-05-27 16:27 UTCVendor advisory
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
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Frequently asked(5)
What is CVE-2019-14235?
When was CVE-2019-14235 disclosed?
Is CVE-2019-14235 actively exploited?
What is the CVSS score of CVE-2019-14235?
How do I remediate CVE-2019-14235?
Dependency Blast Radius
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