| Name | CVE-2020-27619 |
| Description | In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via HTTP. |
| 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 |
|---|
| pypy3 (PTS) | buster | 7.0.0+dfsg-3 | vulnerable |
| bullseye (security), bullseye | 7.3.5+dfsg-2+deb11u2 | fixed |
| bookworm | 7.3.11+dfsg-2+deb12u2 | fixed |
| sid, trixie | 7.3.17+dfsg-2 | fixed |
| python2.7 (PTS) | jessie, jessie (lts) | 2.7.9-2-ds1-1+deb8u12 | vulnerable |
| stretch (security) | 2.7.13-2+deb9u6 | vulnerable |
| stretch (lts), stretch | 2.7.13-2+deb9u9 | vulnerable |
| buster (security), buster, buster (lts) | 2.7.16-2+deb10u4 | vulnerable |
| bullseye | 2.7.18-8+deb11u1 | vulnerable |
| python3.4 (PTS) | jessie, jessie (lts) | 3.4.2-1+deb8u18 | vulnerable |
| python3.5 (PTS) | stretch (security) | 3.5.3-1+deb9u5 | vulnerable |
| stretch (lts), stretch | 3.5.3-1+deb9u10 | vulnerable |
| python3.7 (PTS) | buster, buster (lts) | 3.7.3-2+deb10u8 | vulnerable |
| buster (security) | 3.7.3-2+deb10u7 | vulnerable |
| python3.9 (PTS) | bullseye | 3.9.2-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pypy3 | source | buster | (unfixed) | end-of-life | | |
| pypy3 | source | (unstable) | 7.3.5+dfsg-2 | | | |
| python2.7 | source | (unstable) | (unfixed) | unimportant | | |
| python3.4 | source | (unstable) | (unfixed) | unimportant | | |
| python3.5 | source | (unstable) | (unfixed) | unimportant | | |
| python3.7 | source | (unstable) | (unfixed) | unimportant | | |
| python3.8 | source | (unstable) | (unfixed) | unimportant | | |
| python3.9 | source | (unstable) | (unfixed) | unimportant | | |
Notes
https://python-security.readthedocs.io/vuln/cjk-codec-download-eval.html
https://github.com/python/cpython/commit/2ef5caa58febc8968e670e39e3d37cf8eef3cab8 (master)
https://github.com/python/cpython/commit/a8bf44d04915f7366d9f8dfbf84822ac37a4bab3 (master)
https://github.com/python/cpython/commit/b664a1df4ee71d3760ab937653b10997081b1794 (3.9)
https://github.com/python/cpython/commit/6c6c256df3636ff6f6136820afaefa5a10a3ac33 (3.8)
https://github.com/python/cpython/commit/43e523103886af66d6c27cd72431b5d9d14cd2a9 (3.7)
https://bugs.python.org/issue41944
Only affects the testsuite