CVE-2021-23437

NameCVE-2021-23437
DescriptionThe package pillow from 0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pillow (PTS)stretch4.0.0-4+deb9u1vulnerable
stretch (security)4.0.0-4+deb9u3vulnerable
buster5.4.1-2+deb10u2vulnerable
buster (security)5.4.1-2+deb10u1vulnerable
bookworm, bullseye8.1.2+dfsg-0.3vulnerable
sid8.1.2+dfsg-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pillowsource(unstable)(unfixed)

Notes

[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

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