| Name | CVE-2023-33595 |
| Description | CPython v3.12.0 alpha 7 was discovered to contain a heap use-after-free via the function ascii_decode at /Objects/unicodeobject.c. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| python2.7 (PTS) | buster | 2.7.16-2+deb10u1 | fixed |
| buster (security) | 2.7.16-2+deb10u4 | fixed |
| bullseye | 2.7.18-8+deb11u1 | fixed |
| python3.11 (PTS) | bookworm | 3.11.2-6 | fixed |
| trixie | 3.11.8-1 | fixed |
| sid | 3.11.9-1 | fixed |
| python3.7 (PTS) | buster | 3.7.3-2+deb10u3 | fixed |
| buster (security) | 3.7.3-2+deb10u7 | fixed |
| python3.9 (PTS) | bullseye | 3.9.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| python2.7 | source | (unstable) | (not affected) | | | |
| python3.10 | source | (unstable) | (not affected) | | | |
| python3.11 | source | (unstable) | (not affected) | | | |
| python3.7 | source | (unstable) | (not affected) | | | |
| python3.9 | source | (unstable) | (not affected) | | | |
Notes
- python3.11 <not-affected> (Vulnerable code not present)
- python3.10 <not-affected> (Vulnerable code not present)
- python3.9 <not-affected> (Vulnerable code not present)
- python3.7 <not-affected> (Vulnerable code not present)
- python2.7 <not-affected> (Vulnerable code not present)
https://github.com/python/cpython/issues/103824
Introduced by: https://github.com/python/cpython/commit/1ef61cf71a218c71860ff6aecf0fd51edb8b65dc (v3.12.0b1)
Fixed by: https://github.com/python/cpython/commit/d5a97074d24cd14cb2a35a2b1ad3074863cde264 (v3.12.0b1)