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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
pypy3, python2.7, python3.4, python3.5, python3.6...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.4 | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Needs evaluation | — |
| python3.10 | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Needs evaluation | — | — |
| python3.12 | Needs evaluation | Not in release | — | — |
| python3.13 | Not in release | Not in release | — | — |
| python3.14 | Not in release | Not in release | — | — |
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
14 affected packages
jython, pypy3, python2.7, python3.4, python3.5...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| jython | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.4 | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Needs evaluation | — |
| python3.10 | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Needs evaluation | — | — |
| python3.12 | Needs evaluation | Not in release | — | — |
| python3.13 | Not in release | Not in release | — | — |
| python3.14 | Not in release | Not in release | — | — |
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
jython, pypy3, python2.7, python3.4, python3.5...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| jython | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.4 | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Needs evaluation | — |
| python3.10 | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Needs evaluation | — | — |
| python3.12 | Needs evaluation | Not in release | — | — |
| python3.13 | Not in release | Not in release | — | — |
| python3.14 | Not in release | Not in release | — | — |
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 | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.4 | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Needs evaluation | — |
| python3.10 | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Needs evaluation | — | — |
| python3.12 | Needs evaluation | Not in release | — | — |
| python3.13 | Not in release | Not in release | — | — |
| python3.14 | 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
pypy3, python2.7, python3.4, python3.5, python3.6...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.4 | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Needs evaluation | — |
| python3.10 | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Needs evaluation | — | — |
| python3.12 | Needs evaluation | Not in release | — | — |
| python3.13 | Not in release | Not in release | — | — |
| python3.14 | Not in release | Not in release | — | — |
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
python2.7, python3.4, python3.5, python3.6, python3.7...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| python2.7 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.4 | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Needs evaluation | — |
| python3.10 | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Needs evaluation | — | — |
| python3.12 | Needs evaluation | Not in release | — | — |
| python3.13 | Not in release | Not in release | — | — |
| python3.14 | Not in release | Not in release | — | — |
The "tarfile" module would still apply normalization of AREGTYPE (\x00) blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPE_LONGNAME or GNUTYPE_LONGLINK. This could result in a crafted tar archive being...
12 affected packages
python2.7, python3.4, python3.5, python3.6, python3.7...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| python2.7 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.4 | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Needs evaluation | — |
| python3.10 | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Needs evaluation | — | — |
| python3.12 | Vulnerable | Not in release | — | — |
| python3.13 | Not in release | Not in release | — | — |
| python3.14 | Not in release | Not in release | — | — |
Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Markdown does not catch this...
13 affected packages
pypy3, python2.7, python3.4, python3.5, python3.6...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.4 | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Needs evaluation | — |
| python3.10 | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Needs evaluation | — | — |
| python3.12 | Needs evaluation | Not in release | — | — |
| python3.13 | Not in release | Not in release | — | — |
| python3.14 | Not in release | Not in release | — | — |
The import hook in CPython that handles legacy *.pyc files (SourcelessFileLoader) is incorrectly handled in FileLoader (a base class) and so does not use io.open_code() to read the .pyc files. sys.audit handlers for this audit...
12 affected packages
python2.7, python3.4, python3.5, python3.6, python3.7...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| python2.7 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.4 | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Needs evaluation | — |
| python3.10 | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Needs evaluation | — | — |
| python3.12 | Needs evaluation | Not in release | — | — |
| python3.13 | Not in release | Not in release | — | — |
| python3.14 | Not in release | Not in release | — | — |
The email module, specifically the "BytesGenerator" class, didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized. This is only applicable if...
13 affected packages
pypy3, python2.7, python3.4, python3.5, python3.6...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| pypy3 | Needs evaluation | Needs evaluation | Needs evaluation | — |
| python2.7 | Not in release | Needs evaluation | Needs evaluation | Needs evaluation |
| python3.4 | Not in release | Not in release | — | — |
| python3.5 | Not in release | Not in release | — | — |
| python3.6 | Not in release | Not in release | — | Needs evaluation |
| python3.7 | Not in release | Not in release | — | Needs evaluation |
| python3.8 | Not in release | Not in release | Needs evaluation | Needs evaluation |
| python3.9 | Not in release | Not in release | Needs evaluation | — |
| python3.10 | Not in release | Needs evaluation | — | — |
| python3.11 | Not in release | Needs evaluation | — | — |
| python3.12 | Needs evaluation | Not in release | — | — |
| python3.13 | Not in release | Not in release | — | — |
| python3.14 | Not in release | Not in release | — | — |