VulnerabilityModified
CVE-2021-23437
The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function.
HIGH 7.5EPSS 3.18%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.18% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- python/pillow · fedoraproject/fedora
- Source
- report@snyk.io
References
- https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866bPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNSG6VFXTAROGF7ACYLMAZNQV4EJ6I2C/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKRCL7KKAKOXCVD7M6WC5OKFGL4L3SJT/
- https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.htmlRelease Notes, Vendor Advisory
- https://security.gentoo.org/glsa/202211-10Third Party Advisory
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443Exploit, Patch, Release Notes, Third Party Advisory
- https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866bPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNSG6VFXTAROGF7ACYLMAZNQV4EJ6I2C/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKRCL7KKAKOXCVD7M6WC5OKFGL4L3SJT/
- https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.htmlRelease Notes, Vendor Advisory
- https://security.gentoo.org/glsa/202211-10Third Party Advisory
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443Exploit, Patch, Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.