| Name | CVE-2021-23980 |
| Description | mutation XSS via allowed math or svg; p or br; and style, title, noscript, script, textarea, noframes, iframe, or xmp tags with strip_comments=False |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2620-1, DSA-4892-1 |
| Debian Bugs | 986251 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| python-bleach (PTS) | stretch | 2.0-1 | vulnerable |
| stretch (security) | 2.0-1+deb9u1 | fixed | |
| buster | 3.1.2-0+deb10u1 | vulnerable | |
| buster (security) | 3.1.2-0+deb10u2 | fixed | |
| bullseye, sid | 3.2.1-2.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| python-bleach | source | stretch | 2.0-1+deb9u1 | DLA-2620-1 | ||
| python-bleach | source | buster | 3.1.2-0+deb10u2 | DSA-4892-1 | ||
| python-bleach | source | (unstable) | 3.2.1-2.1 | 986251 |
https://github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq
https://bugzilla.mozilla.org/show_bug.cgi?id=1689399
https://github.com/mozilla/bleach/commit/1334134d34397966a7f7cfebd38639e9ba2c680e
https://github.com/mozilla/bleach/commit/d398c89e54ced6b1039d3677689707456ba42dec