CVE-2026-84429
CVE-2026-84429 · Potential denial-of-service vulnerability in HTTP header parsing
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An issue was discovered in Django 6.1 before 6.1.2, 6.0 before 6.0.9, and 5.2 before 5.2.18. `django.utils.http.parse_header_parameters()` was subject to a potential denial-of-service attack due to quadratic time complexity when parsing a value with many separators inside a quoted parameter. An unauthenticated request could reach this parsing through headers such as `Accept` or `Content-Type`, for instance via the content negotiation performed by `HttpRequest.accepts()`. The per-call length limit does not bound the combined size of repeated headers. Earlier, unsupported Django series (such as 5.1.x, 5.0.x, and 4.2.x) were not evaluated and may also be affected. Django would like to thank Jisung Chae for reporting this issue.
CVSS 6.9 · Mittel · EPSS 0,5% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: system
Betroffene Produkte und Versionen
django
- Softwareversionen
- ≥ 6.1, < 6.1.2: Betroffen (python)
- 6.1.2: Nicht betroffen (python)
- ≥ 6.0, < 6.0.9: Betroffen (python)
- 6.0.9: Nicht betroffen (python)
- ≥ 5.2, < 5.2.18: Betroffen (python)
- 5.2.18: Nicht betroffen (python)
Auf 5.2.18 aktualisieren; Auf 6.0.9 aktualisieren; Auf 6.1.2 aktualisieren
python-django Debian:12
- Softwareversionen
- 3:3.2.19-1
- 3:3.2.19-1+deb12u1
- 3:3.2.19-1+deb12u1~bpo11+1
- 3:3.2.19-1+deb12u2
- 3:3.2.20-1
- 3:3.2.20-1.1
- 3:3.2.21-1
- 3:3.2.25-0+deb12u1
- 3:3.2.25-0+deb12u2
- 3:3.2.25-0+deb12u3
- 3:3.2.25-0+deb12u4
- 3:3.2.25-0+deb12u5
- 3:4.1-1
- 3:4.1.1-1
- 3:4.1.2-1
- 3:4.1.3-1
- 3:4.1.4-1
- 3:4.1.5-1
- 3:4.2-1
- 3:4.2.1-1
- 3:4.2.10-1
- 3:4.2.11-1
- 3:4.2.13-1
- 3:4.2.14-1
- 3:4.2.15-1
- 3:4.2.15-1~bpo12+1
- 3:4.2.16-1
- 3:4.2.17-1
- 3:4.2.17-2
- 3:4.2.18-1
- 3:4.2.18-1~bpo12+1
- 3:4.2.19-1
- 3:4.2.19-1~bpo12+1
- 3:4.2.2-1
- 3:4.2.20-1
- 3:4.2.20-1~bpo12+1
- 3:4.2.21-1
- 3:4.2.21-1~bpo12+1
- 3:4.2.22-1
- 3:4.2.23-1
- 3:4.2.24-1
- 3:4.2.25-1
- 3:4.2.25-2
- 3:4.2.26-1
- 3:4.2.27-1
- 3:4.2.27-2
- 3:4.2.28-1
- 3:4.2.29-1
- 3:4.2.3-1
- 3:4.2.30-1
- 3:4.2.4-1
- 3:4.2.5-1
- 3:4.2.5-2
- 3:4.2.6-1
- 3:4.2.8-1
- 3:4.2.9-1
- 3:4.2~alpha1-1
- 3:4.2~beta1-1
- 3:4.2~rc1-1
- 3:5.0-1
- 3:5.0.1-1
- 3:5.0.2-1
- 3:5.0.3-1
- 3:5.0.4-1
- 3:5.0.6-1
- 3:5.0~alpha1-1
- 3:5.0~rc1-1
- 3:5.1-1
- 3:5.1.1-1
- 3:5.1.2-1
- 3:5.1.3-1
- 3:5.1.4-1
- 3:5.1.5-1
- 3:5.1~alpha1-1
- 3:5.1~beta1-1
- 3:5.1~rc1-1
- 3:5.2-1
- 3:5.2.1-1
- 3:5.2.13-1
- 3:5.2.14-1
- 3:5.2.14-2
- 3:5.2.15-1
- 3:5.2.15-2
- 3:5.2.15-2~bpo13+1
- 3:5.2.16-1
- 3:5.2.16-1~bpo13+1
- 3:5.2.17-1
- 3:5.2.17-2
- 3:5.2.17-2~bpo13+1
- 3:5.2.18-1
- 3:5.2.2-1
- 3:5.2.3-1
- 3:5.2.4-1
- 3:5.2.5-1
- 3:5.2.6-1
- 3:5.2~alpha1-1
- 3:5.2~beta1-1
- 3:5.2~rc1-1
- 3:6.0-1
- 3:6.0.1-1
- 3:6.0.2-1
- 3:6.0.3-1
- 3:6.0.4-1
- 3:6.0.5-1
- 3:6.0.6-1
- 3:6.0~alpha1-1
- 3:6.0~beta1-1
- 3:6.0~rc1-1
- 3:6.1-1
- 3:6.1.1-1
- 3:6.1.2-1
- 3:6.1~beta1-1
- 3:6.1~rc1-1
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
python-django Debian:13
- Softwareversionen
- 3:4.2.23-1
- 3:4.2.24-1
- 3:4.2.25-1
- 3:4.2.25-2
- 3:4.2.26-1
- 3:4.2.27-0+deb13u1
- 3:4.2.27-1
- 3:4.2.27-2
- 3:4.2.28-0+deb13u1
- 3:4.2.28-0+deb13u2
- 3:4.2.28-1
- 3:4.2.29-1
- 3:4.2.30-1
- 3:5.0-1
- 3:5.0.1-1
- 3:5.0.2-1
- 3:5.0.3-1
- 3:5.0.4-1
- 3:5.0.6-1
- 3:5.0~alpha1-1
- 3:5.0~rc1-1
- 3:5.1-1
- 3:5.1.1-1
- 3:5.1.2-1
- 3:5.1.3-1
- 3:5.1.4-1
- 3:5.1.5-1
- 3:5.1~alpha1-1
- 3:5.1~beta1-1
- 3:5.1~rc1-1
- 3:5.2-1
- 3:5.2.1-1
- 3:5.2.13-1
- 3:5.2.14-1
- 3:5.2.14-2
- 3:5.2.15-1
- 3:5.2.15-2
- 3:5.2.15-2~bpo13+1
- 3:5.2.16-1
- 3:5.2.16-1~bpo13+1
- 3:5.2.17-1
- 3:5.2.17-2
- 3:5.2.17-2~bpo13+1
- 3:5.2.18-1
- 3:5.2.2-1
- 3:5.2.3-1
- 3:5.2.4-1
- 3:5.2.5-1
- 3:5.2.6-1
- 3:5.2~alpha1-1
- 3:5.2~beta1-1
- 3:5.2~rc1-1
- 3:6.0-1
- 3:6.0.1-1
- 3:6.0.2-1
- 3:6.0.3-1
- 3:6.0.4-1
- 3:6.0.5-1
- 3:6.0.6-1
- 3:6.0~alpha1-1
- 3:6.0~beta1-1
- 3:6.0~rc1-1
- 3:6.1-1
- 3:6.1.1-1
- 3:6.1.2-1
- 3:6.1~beta1-1
- 3:6.1~rc1-1
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
python-django Debian:14
- Softwareversionen
- 3:4.2.23-1
- 3:4.2.24-1
- 3:4.2.25-1
- 3:4.2.25-2
- 3:4.2.26-1
- 3:4.2.27-1
- 3:4.2.27-2
- 3:4.2.28-1
- 3:4.2.29-1
- 3:4.2.30-1
- 3:5.0-1
- 3:5.0.1-1
- 3:5.0.2-1
- 3:5.0.3-1
- 3:5.0.4-1
- 3:5.0.6-1
- 3:5.0~alpha1-1
- 3:5.0~rc1-1
- 3:5.1-1
- 3:5.1.1-1
- 3:5.1.2-1
- 3:5.1.3-1
- 3:5.1.4-1
- 3:5.1.5-1
- 3:5.1~alpha1-1
- 3:5.1~beta1-1
- 3:5.1~rc1-1
- 3:5.2-1
- 3:5.2.1-1
- 3:5.2.13-1
- 3:5.2.14-1
- 3:5.2.14-2
- 3:5.2.15-1
- 3:5.2.15-2
- 3:5.2.15-2~bpo13+1
- 3:5.2.16-1
- 3:5.2.16-1~bpo13+1
- 3:5.2.17-1
- 3:5.2.17-2
- 3:5.2.17-2~bpo13+1
- 3:5.2.18-1
- 3:5.2.2-1
- 3:5.2.3-1
- 3:5.2.4-1
- 3:5.2.5-1
- 3:5.2.6-1
- 3:5.2~alpha1-1
- 3:5.2~beta1-1
- 3:5.2~rc1-1
- 3:6.0-1
- 3:6.0.1-1
- 3:6.0.2-1
- 3:6.0.3-1
- 3:6.0.4-1
- 3:6.0.5-1
- 3:6.0.6-1
- 3:6.0~alpha1-1
- 3:6.0~beta1-1
- 3:6.0~rc1-1
- 3:6.1-1
- 3:6.1.1-1
- 3:6.1.2-1
- 3:6.1~beta1-1
- 3:6.1~rc1-1
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
python-django Ubuntu:Pro:14.04:LTS
- Softwareversionen
- 1.5.4-1ubuntu1
- 1.6-1
- 1.6.1-1
- 1.6.1-2
- 1.6.1-2ubuntu0.1
- 1.6.1-2ubuntu0.2
- 1.6.1-2ubuntu0.3
- 1.6.1-2ubuntu0.4
- 1.6.1-2ubuntu0.5
- 1.6.1-2ubuntu0.6
- 1.6.1-2ubuntu0.8
- 1.6.1-2ubuntu0.9
- 1.6.1-2ubuntu0.10
- 1.6.1-2ubuntu0.11
- 1.6.1-2ubuntu0.12
- 1.6.1-2ubuntu0.13
- 1.6.1-2ubuntu0.14
- 1.6.1-2ubuntu0.15
- 1.6.1-2ubuntu0.16
- 1.6.11-0ubuntu1
- 1.6.11-0ubuntu1.1
- 1.6.11-0ubuntu1.2
- 1.6.11-0ubuntu1.3
- 1.6.11-0ubuntu1.3+esm1
- 1.6.11-0ubuntu1.3+esm2
- 1.6.11-0ubuntu1.3+esm3
- 1.6.11-0ubuntu1.3+esm4
- 1.6.11-0ubuntu1.3+esm5
- 1.6.11-0ubuntu1.3+esm6
- 1.6.11-0ubuntu1.3+esm7
- 1.6.11-0ubuntu1.3+esm8
- 1.6.11-0ubuntu1.3+esm9
- 1.6.11-0ubuntu1.3+esm10
- 1.6.11-0ubuntu1.3+esm11
- 1.6.11-0ubuntu1.3+esm12
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
python-django Ubuntu:Pro:16.04:LTS
- Softwareversionen
- 1.7.9-1ubuntu5
- 1.8.5-2ubuntu1
- 1.8.7-1ubuntu1
- 1.8.7-1ubuntu2
- 1.8.7-1ubuntu3
- 1.8.7-1ubuntu4
- 1.8.7-1ubuntu5
- 1.8.7-1ubuntu5.1
- 1.8.7-1ubuntu5.2
- 1.8.7-1ubuntu5.4
- 1.8.7-1ubuntu5.5
- 1.8.7-1ubuntu5.6
- 1.8.7-1ubuntu5.7
- 1.8.7-1ubuntu5.8
- 1.8.7-1ubuntu5.9
- 1.8.7-1ubuntu5.10
- 1.8.7-1ubuntu5.11
- 1.8.7-1ubuntu5.12
- 1.8.7-1ubuntu5.13
- 1.8.7-1ubuntu5.14
- 1.8.7-1ubuntu5.15
- 1.8.7-1ubuntu5.15+esm1
- 1.8.7-1ubuntu5.15+esm3
- 1.8.7-1ubuntu5.15+esm4
- 1.8.7-1ubuntu5.15+esm5
- 1.8.7-1ubuntu5.15+esm6
- 1.8.7-1ubuntu5.15+esm7
- 1.8.7-1ubuntu5.15+esm8
- 1.8.7-1ubuntu5.15+esm9
- 1.8.7-1ubuntu5.15+esm10
- 1.8.7-1ubuntu5.15+esm11
- 1.8.7-1ubuntu5.15+esm12
- 1.8.7-1ubuntu5.15+esm13
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
python-django Ubuntu:Pro:18.04:LTS
- Softwareversionen
- 1:1.11.4-1ubuntu1
- 1:1.11.6-1ubuntu1
- 1:1.11.9-1ubuntu1
- 1:1.11.11-1ubuntu1
- 1:1.11.11-1ubuntu1.1
- 1:1.11.11-1ubuntu1.2
- 1:1.11.11-1ubuntu1.3
- 1:1.11.11-1ubuntu1.4
- 1:1.11.11-1ubuntu1.5
- 1:1.11.11-1ubuntu1.6
- 1:1.11.11-1ubuntu1.7
- 1:1.11.11-1ubuntu1.8
- 1:1.11.11-1ubuntu1.9
- 1:1.11.11-1ubuntu1.10
- 1:1.11.11-1ubuntu1.11
- 1:1.11.11-1ubuntu1.12
- 1:1.11.11-1ubuntu1.13
- 1:1.11.11-1ubuntu1.14
- 1:1.11.11-1ubuntu1.15
- 1:1.11.11-1ubuntu1.16
- 1:1.11.11-1ubuntu1.17
- 1:1.11.11-1ubuntu1.18
- 1:1.11.11-1ubuntu1.19
- 1:1.11.11-1ubuntu1.20
- 1:1.11.11-1ubuntu1.21
- 1:1.11.11-1ubuntu1.21+esm1
- 1:1.11.11-1ubuntu1.21+esm2
- 1:1.11.11-1ubuntu1.21+esm3
- 1:1.11.11-1ubuntu1.21+esm4
- 1:1.11.11-1ubuntu1.21+esm5
- 1:1.11.11-1ubuntu1.21+esm6
- 1:1.11.11-1ubuntu1.21+esm7
- 1:1.11.11-1ubuntu1.21+esm8
- 1:1.11.11-1ubuntu1.21+esm9
- 1:1.11.11-1ubuntu1.21+esm10
- 1:1.11.11-1ubuntu1.21+esm11
- 1:1.11.11-1ubuntu1.21+esm12
- 1:1.11.11-1ubuntu1.21+esm13
- 1:1.11.11-1ubuntu1.21+esm14
- 1:1.11.11-1ubuntu1.21+esm15
- 1:1.11.11-1ubuntu1.21+esm17
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
python-django Ubuntu:Pro:20.04:LTS
- Softwareversionen
- 1:1.11.22-1ubuntu1
- 2:2.2.6-1ubuntu1
- 2:2.2.9-2ubuntu1
- 2:2.2.10-1
- 2:2.2.10-1ubuntu1
- 2:2.2.11-1
- 2:2.2.12-1
- 2:2.2.12-1ubuntu0.1
- 2:2.2.12-1ubuntu0.2
- 2:2.2.12-1ubuntu0.3
- 2:2.2.12-1ubuntu0.4
- 2:2.2.12-1ubuntu0.5
- 2:2.2.12-1ubuntu0.6
- 2:2.2.12-1ubuntu0.7
- 2:2.2.12-1ubuntu0.8
- 2:2.2.12-1ubuntu0.9
- 2:2.2.12-1ubuntu0.10
- 2:2.2.12-1ubuntu0.11
- 2:2.2.12-1ubuntu0.12
- 2:2.2.12-1ubuntu0.13
- 2:2.2.12-1ubuntu0.14
- 2:2.2.12-1ubuntu0.15
- 2:2.2.12-1ubuntu0.16
- 2:2.2.12-1ubuntu0.17
- 2:2.2.12-1ubuntu0.18
- 2:2.2.12-1ubuntu0.19
- 2:2.2.12-1ubuntu0.20
- 2:2.2.12-1ubuntu0.21
- 2:2.2.12-1ubuntu0.22
- 2:2.2.12-1ubuntu0.23
- 2:2.2.12-1ubuntu0.24
- 2:2.2.12-1ubuntu0.25
- 2:2.2.12-1ubuntu0.26
- 2:2.2.12-1ubuntu0.27
- 2:2.2.12-1ubuntu0.28
- 2:2.2.12-1ubuntu0.29
- 2:2.2.12-1ubuntu0.29+esm1
- 2:2.2.12-1ubuntu0.29+esm2
- 2:2.2.12-1ubuntu0.29+esm3
- 2:2.2.12-1ubuntu0.29+esm4
- 2:2.2.12-1ubuntu0.29+esm5
- 2:2.2.12-1ubuntu0.29+esm6
- 2:2.2.12-1ubuntu0.29+esm7
- 2:2.2.12-1ubuntu0.29+esm8
- 2:2.2.12-1ubuntu0.29+esm10
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
python-django Ubuntu:22.04:LTS
- Softwareversionen
- 2:2.2.24-1ubuntu1
- 2:3.2.12-2
- 2:3.2.12-2ubuntu1
- 2:3.2.12-2ubuntu1.1
- 2:3.2.12-2ubuntu1.2
- 2:3.2.12-2ubuntu1.3
- 2:3.2.12-2ubuntu1.4
- 2:3.2.12-2ubuntu1.5
- 2:3.2.12-2ubuntu1.6
- 2:3.2.12-2ubuntu1.7
- 2:3.2.12-2ubuntu1.8
- 2:3.2.12-2ubuntu1.9
- 2:3.2.12-2ubuntu1.10
- 2:3.2.12-2ubuntu1.11
- 2:3.2.12-2ubuntu1.12
- 2:3.2.12-2ubuntu1.13
- 2:3.2.12-2ubuntu1.14
- 2:3.2.12-2ubuntu1.15
- 2:3.2.12-2ubuntu1.16
- 2:3.2.12-2ubuntu1.17
- 2:3.2.12-2ubuntu1.18
- 2:3.2.12-2ubuntu1.19
- 2:3.2.12-2ubuntu1.20
- 2:3.2.12-2ubuntu1.21
- 2:3.2.12-2ubuntu1.22
- 2:3.2.12-2ubuntu1.23
- 2:3.2.12-2ubuntu1.24
- 2:3.2.12-2ubuntu1.25
- 2:3.2.12-2ubuntu1.26
- 2:3.2.12-2ubuntu1.27
- 2:3.2.12-2ubuntu1.29
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
python-django Ubuntu:24.04:LTS
- Softwareversionen
- 3:4.2.4-1ubuntu2
- 3:4.2.8-1
- 3:4.2.9-1
- 3:4.2.11-1
- 3:4.2.11-1ubuntu1
- 3:4.2.11-1ubuntu1.1
- 3:4.2.11-1ubuntu1.2
- 3:4.2.11-1ubuntu1.3
- 3:4.2.11-1ubuntu1.4
- 3:4.2.11-1ubuntu1.5
- 3:4.2.11-1ubuntu1.6
- 3:4.2.11-1ubuntu1.7
- 3:4.2.11-1ubuntu1.8
- 3:4.2.11-1ubuntu1.9
- 3:4.2.11-1ubuntu1.10
- 3:4.2.11-1ubuntu1.11
- 3:4.2.11-1ubuntu1.12
- 3:4.2.11-1ubuntu1.13
- 3:4.2.11-1ubuntu1.14
- 3:4.2.11-1ubuntu1.15
- 3:4.2.11-1ubuntu1.16
- 3:4.2.11-1ubuntu1.18
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
python-django Ubuntu:26.10
- Softwareversionen
- 3:5.2.9-0ubuntu4
- 3:5.2.16-1
- 3:5.2.17-1
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
python-django Ubuntu:26.04:LTS
- Softwareversionen
- 3:5.2.4-1ubuntu2
- 3:5.2.4-1ubuntu3
- 3:5.2.9-0ubuntu1
- 3:5.2.9-0ubuntu2
- 3:5.2.9-0ubuntu3
- 3:5.2.9-0ubuntu4
- 3:5.2.9-0ubuntu4.1
- 3:5.2.9-0ubuntu4.3
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
Originalquellen
- https://docs.djangoproject.com/en/dev/releases/security/
- https://groups.google.com/g/django-announce
- https://github.com/django/django/commit/7ff7fcc0508864a4bc39693128ace38b1e95a890
- https://github.com/django/django/commit/de56deeabd4c48dfb5193f0001469d80102fb367
- https://github.com/django/django/commit/3d8f121695c21234aff3071de0d38b6bd38c3f52
- https://github.com/django/django/commit/6ecd66e09a383be004a78a3a738ea9727ff07b0e
- https://www.djangoproject.com/weblog/2026/oct/06/security-releases/
- https://nvd.nist.gov/vuln/detail/CVE-2026-84429