| Name | CVE-2020-6816 |
| Description | In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4643-1 |
| Debian Bugs | 954236 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| python-bleach (PTS) | bullseye | 3.2.1-2.1 | fixed |
| bookworm | 5.0.1-2 | fixed |
| forky, sid, trixie | 6.2.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - python-bleach <ignored> (Requires invasive changes to address issue)
[jessie] - python-bleach <ignored> (Requires invasive change to address issue)
https://bugzilla.mozilla.org/show_bug.cgi?id=1621692 (not public)
https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743
https://github.com/mozilla/bleach/commit/175f67740e7951e1d80cefb7831e6c3e4efeb986