| Name | CVE-2021-23437 |
| Description | The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function. |
| 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 | DLA-3768-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pillow (PTS) | bullseye (security), bullseye | 8.1.2+dfsg-0.3+deb11u2 | vulnerable |
| bookworm, bookworm (security) | 9.4.0-1.1+deb12u1 | fixed |
| trixie | 11.1.0-5 | fixed |
| forky | 11.3.0-1 | fixed |
| sid | 12.0.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pillow | source | buster | 5.4.1-2+deb10u5 | | DLA-3768-1 | |
| pillow | source | (unstable) | 8.3.2-1 | | | |
Notes
[bullseye] - pillow <no-dsa> (Minor issue)
[stretch] - pillow <postponed> (Minor issue, can be fixed in the next DLA)
https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b
https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443