CVE-2023-43665

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 2.8%, top 14% 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).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

In Django 3.2 before 3.2.22, 4.1 before 4.1.12, and 4.2 before 4.2.6, the django.utils.text.Truncator chars() and words() methods (when used with html=True) are subject to a potential DoS (denial of service) attack via certain inputs with very long, potentially malformed HTML text. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which are thus also vulnerable. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
65.6%
KEV
Not listed

Published

November 3, 2023

Last Modified

June 17, 2026

References (15)

Patch Availability(7)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntupython3-django (3:3.2.18-1ubuntu0.5) @ lunar2026-05-24ubuntu
ubuntupython3-django (1:1.11.11-1ubuntu1.21+esm2) @ bionic2026-05-24ubuntu
redhatpython-django-0:4.2.9-1.el8pc2024-04-23redhat
redhatpython-django-0:4.2.11-1.el8ui2024-04-18redhat
redhatpython-django-0:3.2.22-1.el8pc2024-03-27redhat
redhatautomation-controller-0:4.4.7-1.el9ap2023-10-30redhat
redhatpython-django-0:3.2.22-1.el9ap2023-10-16redhat

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)
PackageVulnerable rangeFixed inDependents
django3.2 ... 4.2.5 (40 versions)4.2.6—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(7)

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 10× in last 7d / 45× 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.

Showing the most recent 100 of 103 total refreshes for this CVE.

  1. 2026-07-22 14:06 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2023-43665?
CVE-2023-43665 is a high vulnerability published on November 3, 2023. In Django 3.2 before 3.2.22, 4.1 before 4.1.12, and 4.2 before 4.2.6, the django.utils.text.Truncator chars() and words() methods (when used with html=True) are subject to a potential DoS (denial of service) attack via certain inputs with very long, potentially malformed HTML text. The chars() and…
When was CVE-2023-43665 disclosed?
CVE-2023-43665 was first published in the National Vulnerability Database on November 3, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-43665 actively exploited?
CVE-2023-43665 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-43665?
CVE-2023-43665 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2023-43665?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43665, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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