CVE-2021-23437

Advisory

Pillow from 5.2.0 and before 8.3.2 is vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function.
https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b
https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html

Affected package

Affected versions

Fixed versions

Vulnerability changelog

The package pillow from 0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function. See CVE-2021-23437.


MISC:https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b: https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b
MISC:https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html: https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html
MISC:https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443: https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443

Resources

• https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b
• https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html
• https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23437
• https://lists.fedoraproject.org/archives/list/[email protected]/message/VKRCL7KKAKOXCVD7M6WC5OKFGL4L3SJT/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/RNSG6VFXTAROGF7ACYLMAZNQV4EJ6I2C/
• https://security.gentoo.org/glsa/202211-10