{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77050", "assignerOrgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "state": "PUBLISHED", "assignerShortName": "DSF", "dateReserved": "2026-08-20T09:29:37.560Z", "datePublished": "2026-10-06T13:34:40.107Z", "dateUpdated": "2026-10-06T13:34:40.107Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "shortName": "DSF", "dateUpdated": "2026-10-06T13:34:40.107Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-789", "description": "CWE-789: Memory Allocation with Excessive Size Value", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-130", "descriptions": [{"lang": "en", "value": "CAPEC-130: Excessive Allocation"}]}], "title": "Potential denial-of-service vulnerability in get_supported_language_variant()", "metrics": [{"other": {"content": {"value": "low", "namespace": "https://docs.djangoproject.com/en/dev/internals/security/#security-issue-severity-levels"}, "type": "Django severity rating"}}, {"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}, {"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "baseScore": 6.9, "baseSeverity": "MEDIUM"}}], "descriptions": [{"lang": "en", "value": "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.\n`django.utils.translation.get_supported_language_variant()` is subject to\r\na potential denial-of-service attack when processing many distinct, very long\r\nlanguage codes, which are retained as keys in an in-memory cache and\r\nconsume process memory.\nEarlier, unsupported Django series (such as 5.1.x, 5.0.x, and 4.2.x) were not evaluated and may also be affected.\nDjango would like to thank Gleb Lizunov for reporting this issue.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>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.</p><p><code>django.utils.translation.get_supported_language_variant()</code> is subject to</p><p>a potential denial-of-service attack when processing many distinct, very long</p><p>language codes, which are retained as keys in an in-memory cache and</p><p>consume process memory.</p><p>Earlier, unsupported Django series (such as 5.1.x, 5.0.x, and 4.2.x) were not evaluated and may also be affected.</p><p>Django would like to thank Gleb Lizunov for reporting this issue.</p>"}]}], "affected": [{"collectionURL": "https://pypi.org/project/Django/", "defaultStatus": "unaffected", "packageName": "django", "product": "Django", "repo": "https://github.com/django/django/", "vendor": "djangoproject", "versions": [{"status": "affected", "version": "6.1", "lessThan": "6.1.2", "versionType": "python"}, {"status": "unaffected", "version": "6.1.2", "versionType": "python"}, {"status": "affected", "version": "6.0", "lessThan": "6.0.9", "versionType": "python"}, {"status": "unaffected", "version": "6.0.9", "versionType": "python"}, {"status": "affected", "version": "5.2", "lessThan": "5.2.18", "versionType": "python"}, {"status": "unaffected", "version": "5.2.18", "versionType": "python"}]}], "references": [{"url": "https://docs.djangoproject.com/en/dev/releases/security/", "name": "Django security archive", "tags": ["vendor-advisory"]}, {"url": "https://groups.google.com/g/django-announce", "name": "Django releases announcements", "tags": ["mailing-list"]}, {"tags": ["patch"], "url": "https://github.com/django/django/commit/c88b304cc2d90fc37d3bd1f5f3829706fa6c13bc"}, {"tags": ["patch"], "url": "https://github.com/django/django/commit/7e878b0f8bd42260903e6a0d38996a93b0474a0b"}, {"tags": ["patch"], "url": "https://github.com/django/django/commit/3d32ee80ae52745d686bf94d3555000ddf073267"}, {"tags": ["patch"], "url": "https://github.com/django/django/commit/02a69e3791e3df23d45ea4ea7e7fc489f0eef2be"}, {"url": "https://www.djangoproject.com/weblog/2026/oct/06/security-releases/", "name": "Django security releases issued: 6.1.2, 6.0.9, and 5.2.18", "tags": ["vendor-advisory"]}], "credits": [{"lang": "en", "type": "reporter", "value": "Gleb Lizunov"}, {"lang": "en", "type": "remediation developer", "value": "Sarah Boyce"}, {"lang": "en", "type": "coordinator", "value": "Sarah Boyce"}], "timeline": [{"lang": "en", "time": "2026-08-06T04:49:58.000Z", "value": "Initial report received."}, {"lang": "en", "time": "2026-08-20T04:50:04.000Z", "value": "Vulnerability confirmed."}, {"lang": "en", "time": "2026-10-06T08:00:00.000Z", "value": "Security release issued."}], "datePublic": "2026-10-06T08:00:00.000Z", "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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