{"id":"PYSEC-2026-2091","details":"An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16.\n`django.contrib.gis.gdal.GDALRaster` over-reads its in-memory buffer when constructed from a bytes object, which can disclose adjacent memory or cause service degradation via a potential segmentation fault when the `vsi_buffer` property is accessed.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Bence Nagy for reporting this issue.","aliases":["CVE-2026-53877"],"modified":"2026-07-10T11:30:05.959016903Z","published":"2026-07-07T15:16:48.453Z","references":[{"type":"ADVISORY","url":"https://groups.google.com/g/django-announce"},{"type":"FIX","url":"https://docs.djangoproject.com/en/dev/releases/security/"},{"type":"FIX","url":"https://www.djangoproject.com/weblog/2026/jul/07/security-releases/"}],"affected":[{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.2"},{"fixed":"5.2.16"},{"introduced":"6.0"},{"fixed":"6.0.7"}]}],"versions":["5.2","5.2.1","5.2.10","5.2.11","5.2.12","5.2.13","5.2.14","5.2.15","5.2.2","5.2.3","5.2.4","5.2.5","5.2.6","5.2.7","5.2.8","5.2.9","6.0","6.0.1","6.0.2","6.0.3","6.0.4","6.0.5","6.0.6"],"ecosystem_specific":{},"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/django/PYSEC-2026-2091.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}