urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire r…
High CVSS 7.5
Summary
urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP `Content-Encoding` header (e.g., `gzip`, `deflate`, `br`, or `zstd`). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption. Starting in v…
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Sources
- NVD DATABASE
Original Links
- https://github.com/urllib3/urllib3/commit/8864ac407bba8607950025e0979c4c69bc7abc7b Patch
- https://github.com/urllib3/urllib3/security/advisories/GHSA-38jv-5279-wg99 Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2026/01/msg00017.html
- https://access.redhat.com/errata/RHSA-2026:0981
- https://access.redhat.com/errata/RHSA-2026:0990
- https://access.redhat.com/errata/RHSA-2026:10184
- https://access.redhat.com/errata/RHSA-2026:1038
- https://access.redhat.com/errata/RHSA-2026:1041
- https://access.redhat.com/errata/RHSA-2026:1042
- https://access.redhat.com/errata/RHSA-2026:1086
- https://access.redhat.com/errata/RHSA-2026:1087
- https://access.redhat.com/errata/RHSA-2026:1088
- https://access.redhat.com/errata/RHSA-2026:1089
- https://access.redhat.com/errata/RHSA-2026:1166
- https://access.redhat.com/errata/RHSA-2026:1168
- https://access.redhat.com/errata/RHSA-2026:1176
- https://access.redhat.com/errata/RHSA-2026:1224
- https://access.redhat.com/errata/RHSA-2026:1226
- https://access.redhat.com/errata/RHSA-2026:1239
- https://access.redhat.com/errata/RHSA-2026:1240
- https://access.redhat.com/errata/RHSA-2026:1241
- https://access.redhat.com/errata/RHSA-2026:1254
- https://access.redhat.com/errata/RHSA-2026:1485
- https://access.redhat.com/errata/RHSA-2026:14877
- https://access.redhat.com/errata/RHSA-2026:1504
- https://access.redhat.com/errata/RHSA-2026:1546
- https://access.redhat.com/errata/RHSA-2026:1596
- https://access.redhat.com/errata/RHSA-2026:1599
- https://access.redhat.com/errata/RHSA-2026:1609
- https://access.redhat.com/errata/RHSA-2026:1618
- https://access.redhat.com/errata/RHSA-2026:1619
- https://access.redhat.com/errata/RHSA-2026:1652
- https://access.redhat.com/errata/RHSA-2026:1674
- https://access.redhat.com/errata/RHSA-2026:1676
- https://access.redhat.com/errata/RHSA-2026:1693
- https://access.redhat.com/errata/RHSA-2026:1704
- https://access.redhat.com/errata/RHSA-2026:1706
- https://access.redhat.com/errata/RHSA-2026:1712
- https://access.redhat.com/errata/RHSA-2026:1717
- https://access.redhat.com/errata/RHSA-2026:1726
- https://access.redhat.com/errata/RHSA-2026:1729
- https://access.redhat.com/errata/RHSA-2026:1730
- https://access.redhat.com/errata/RHSA-2026:1734
- https://access.redhat.com/errata/RHSA-2026:1735
- https://access.redhat.com/errata/RHSA-2026:1736
- https://access.redhat.com/errata/RHSA-2026:17456
- https://access.redhat.com/errata/RHSA-2026:17457
- https://access.redhat.com/errata/RHSA-2026:17460
- https://access.redhat.com/errata/RHSA-2026:17461
- https://access.redhat.com/errata/RHSA-2026:17462
- https://access.redhat.com/errata/RHSA-2026:17463
- https://access.redhat.com/errata/RHSA-2026:1791
- https://access.redhat.com/errata/RHSA-2026:1792
- https://access.redhat.com/errata/RHSA-2026:1793
- https://access.redhat.com/errata/RHSA-2026:1794
- https://access.redhat.com/errata/RHSA-2026:1803
- https://access.redhat.com/errata/RHSA-2026:1805
- https://access.redhat.com/errata/RHSA-2026:1942
- https://access.redhat.com/errata/RHSA-2026:1957
- https://access.redhat.com/errata/RHSA-2026:19712
- https://access.redhat.com/errata/RHSA-2026:2106
- https://access.redhat.com/errata/RHSA-2026:2126
- https://access.redhat.com/errata/RHSA-2026:2137
- https://access.redhat.com/errata/RHSA-2026:2139
- https://access.redhat.com/errata/RHSA-2026:2144
- https://access.redhat.com/errata/RHSA-2026:2256
- https://access.redhat.com/errata/RHSA-2026:2456
- https://access.redhat.com/errata/RHSA-2026:2500
- https://access.redhat.com/errata/RHSA-2026:25127
- https://access.redhat.com/errata/RHSA-2026:2563
- https://access.redhat.com/errata/RHSA-2026:2681
- https://access.redhat.com/errata/RHSA-2026:2695
- https://access.redhat.com/errata/RHSA-2026:2717
- https://access.redhat.com/errata/RHSA-2026:2718
- https://access.redhat.com/errata/RHSA-2026:2723
- https://access.redhat.com/errata/RHSA-2026:2728
- https://access.redhat.com/errata/RHSA-2026:2760
- https://access.redhat.com/errata/RHSA-2026:2762
- https://access.redhat.com/errata/RHSA-2026:2764
- https://access.redhat.com/errata/RHSA-2026:2765
- https://access.redhat.com/errata/RHSA-2026:28043
- https://access.redhat.com/errata/RHSA-2026:28441
- https://access.redhat.com/errata/RHSA-2026:2900
- https://access.redhat.com/errata/RHSA-2026:2911
- https://access.redhat.com/errata/RHSA-2026:2919
- https://access.redhat.com/errata/RHSA-2026:2924
- https://access.redhat.com/errata/RHSA-2026:2925
- https://access.redhat.com/errata/RHSA-2026:2926
- https://access.redhat.com/errata/RHSA-2026:3296
- https://access.redhat.com/errata/RHSA-2026:33154
- https://access.redhat.com/errata/RHSA-2026:3406
- https://access.redhat.com/errata/RHSA-2026:3444
- https://access.redhat.com/errata/RHSA-2026:3461
- https://access.redhat.com/errata/RHSA-2026:3462
- https://access.redhat.com/errata/RHSA-2026:3713
- https://access.redhat.com/errata/RHSA-2026:3782
- https://access.redhat.com/errata/RHSA-2026:3869
- https://access.redhat.com/errata/RHSA-2026:3874
- https://access.redhat.com/errata/RHSA-2026:3884
- https://access.redhat.com/errata/RHSA-2026:3960
- https://access.redhat.com/errata/RHSA-2026:4185
- https://access.redhat.com/errata/RHSA-2026:4215
- https://access.redhat.com/errata/RHSA-2026:4271
- https://access.redhat.com/errata/RHSA-2026:4466
- https://access.redhat.com/errata/RHSA-2026:4467
- https://access.redhat.com/errata/RHSA-2026:5459
- https://access.redhat.com/errata/RHSA-2026:6287
- https://access.redhat.com/errata/RHSA-2026:6292
- https://access.redhat.com/errata/RHSA-2026:8151
- https://access.redhat.com/errata/RHSA-2026:8500
- https://access.redhat.com/errata/RHSA-2026:8501
- https://access.redhat.com/security/cve/CVE-2026-21441
- https://bugzilla.redhat.com/show_bug.cgi?id=2427726
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-21441.json
- https://access.redhat.com/errata/RHSA-2026:41928
Timeline
- nvd_ingest NVD