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The method "sock_recvfrom_into()" of "asyncio.ProacterEventLoop" (Windows only) was missing a boundary check for the data buffer when using nbytes parameter. This allowed for an out-of-bounds buffer write if data was larger than...
12 affected packages
python2.7, python3.4, python3.5, python3.6, python3.7...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| python2.7 | Not in release | Not in release | Not affected | Not affected | Not affected |
| python3.4 | Not in release | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | Not in release | — | Not affected |
| python3.7 | Not in release | Not in release | Not in release | — | Not affected |
| python3.8 | Not in release | Not in release | Not in release | Not affected | Not affected |
| python3.9 | Not in release | Not in release | Not in release | Not affected | — |
| python3.10 | Not in release | Not in release | Not affected | — | — |
| python3.11 | Not in release | Not in release | Not affected | — | — |
| python3.12 | Not in release | Not affected | Not in release | — | — |
| python3.13 | Not in release | Not in release | Not in release | — | — |
| python3.14 | Not affected | Not in release | Not in release | — | — |
The "profiling.sampling" module (Python 3.15+) and "asyncio introspection capabilities" (3.14+, "python -m asyncio ps" and "python -m asyncio pstree") features could be used to read and write addresses in a privileged process if...
12 affected packages
python2.7, python3.4, python3.5, python3.6, python3.7...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| python2.7 | Not in release | Not in release | Not affected | Not affected | Not affected |
| python3.4 | Not in release | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | Not in release | — | Not affected |
| python3.7 | Not in release | Not in release | Not in release | — | Not affected |
| python3.8 | Not in release | Not in release | Not in release | Not affected | Not affected |
| python3.9 | Not in release | Not in release | Not in release | Not affected | — |
| python3.10 | Not in release | Not in release | Not affected | — | — |
| python3.11 | Not in release | Not in release | Not affected | — | — |
| python3.12 | Not in release | Not affected | Not in release | — | — |
| python3.13 | Not in release | Not in release | Not in release | — | — |
| python3.14 | Needs evaluation | Not in release | Not in release | — | — |
Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell....
14 affected packages
python3.13, python3.14, jython, pypy3, python2.7...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| python3.13 | Not in release | Not in release | Not in release | — | — |
| python3.14 | Needs evaluation | Not in release | Not in release | — | — |
| jython | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.10 | Not in release | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Not in release | Needs evaluation | — | — |
| python3.12 | Not in release | Needs evaluation | Not in release | — | — |
| python3.4 | Not in release | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Not in release | Needs evaluation | — |
Use-after-free (UAF) was possible in the `lzma.LZMADecompressor`, `bz2.BZ2Decompressor`, and `gzip.GzipFile` when a memory allocation fails with a `MemoryError` and the decompression instance is re-used. This scenario can be...
13 affected packages
python3.13, python3.14, pypy3, python2.7, python3.10...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| python3.13 | Not in release | Not in release | Not in release | — | — |
| python3.14 | Needs evaluation | Not in release | Not in release | — | — |
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.10 | Not in release | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Not in release | Needs evaluation | — | — |
| python3.12 | Not in release | Needs evaluation | Not in release | — | — |
| python3.4 | Not in release | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Not in release | Needs evaluation | — |
When calling base64.b64decode() or related functions the decoding process would stop after encountering the first padded quad regardless of whether there was more information to be processed. This can lead to data being accepted...
13 affected packages
python3.10, python3.12, python3.13, python3.14, pypy3...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| python3.10 | Not in release | Not in release | Ignored | — | — |
| python3.12 | Not in release | Ignored | Not in release | — | — |
| python3.13 | Not in release | Not in release | Not in release | — | — |
| python3.14 | Not affected | Not in release | Not in release | — | — |
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.11 | Not in release | Not in release | Needs evaluation | — | — |
| python3.4 | Not in release | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Not in release | Needs evaluation | — |
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
14 affected packages
python3.13, python3.14, jython, pypy3, python2.7...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| python3.13 | Not in release | Not in release | Not in release | — | — |
| python3.14 | Needs evaluation | Not in release | Not in release | — | — |
| jython | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.10 | Not in release | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Not in release | Needs evaluation | — | — |
| python3.12 | Not in release | Needs evaluation | Not in release | — | — |
| python3.4 | Not in release | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Not in release | Needs evaluation | — |
The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. New behavior rejects leading dashes. Users are recommended to sanitize URLs prior to passing...
14 affected packages
python3.13, python3.14, jython, pypy3, python2.7...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| python3.13 | Not in release | Not in release | Not in release | — | — |
| python3.14 | Not affected | Not in release | Not in release | — | — |
| jython | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.10 | Not in release | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Not in release | Needs evaluation | — | — |
| python3.12 | Not in release | Needs evaluation | Not in release | — | — |
| python3.4 | Not in release | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Not in release | Needs evaluation | — |
DISPUTED: The project has clarified that the documentation was incorrect, and that pkgutil.get_data() has the same security model as open(). The documentation has been updated to clarify this point. There is no vulnerability in...
13 affected packages
pypy3, python2.7, python3.4, python3.5, python3.6...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| pypy3 | Not affected | Not affected | Not affected | Not affected | — |
| python2.7 | Not in release | Not in release | Not affected | Not affected | Not affected |
| python3.4 | Not in release | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | Not in release | — | Not affected |
| python3.7 | Not in release | Not in release | Not in release | — | Not affected |
| python3.8 | Not in release | Not in release | Not in release | Not affected | Not affected |
| python3.9 | Not in release | Not in release | Not in release | Not affected | — |
| python3.10 | Not in release | Not in release | Not affected | — | — |
| python3.11 | Not in release | Not in release | Not affected | — | — |
| python3.12 | Not in release | Not affected | Not in release | — | — |
| python3.13 | Not in release | Not in release | Not in release | — | — |
| python3.14 | Not affected | Not in release | Not in release | — | — |
When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs.
13 affected packages
python3.13, python3.14, pypy3, python2.7, python3.10...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| python3.13 | Not in release | Not in release | Not in release | — | — |
| python3.14 | Not affected | Not in release | Not in release | — | — |
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.10 | Not in release | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Not in release | Needs evaluation | — | — |
| python3.12 | Not in release | Needs evaluation | Not in release | — | — |
| python3.4 | Not in release | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Not in release | Needs evaluation | — |
The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update(), |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation....
12 affected packages
python3.13, python3.14, python2.7, python3.10, python3.11...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| python3.13 | Not in release | Not in release | Not in release | — | — |
| python3.14 | Not affected | Not in release | Not in release | — | — |
| python2.7 | Not in release | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.10 | Not in release | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Not in release | Needs evaluation | — | — |
| python3.12 | Not in release | Needs evaluation | Not in release | — | — |
| python3.4 | Not in release | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Not in release | Needs evaluation | — |