| Name | CVE-2018-7753 |
| Description | An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren't properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 892252 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| python-bleach (PTS) | buster, buster (security) | 3.1.2-0+deb10u2 | fixed |
| bullseye | 3.2.1-2.1 | fixed |
| bookworm | 5.0.1-2 | fixed |
| sid, trixie | 6.1.0-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - python-bleach <not-affected> (Vulnerable code introduced later)
[jessie] - python-bleach <not-affected> (Vulnerable code introduced later)
https://github.com/mozilla/bleach/pull/356
https://github.com/mozilla/bleach/commit/c5df5789ec3471a31311f42c2d19fc2cf21b35ef