Home/CVE/The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb
CVE

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

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 · CVSS 7.5 EPSS 0.00226
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

2
python pillow>= 5.2.0 and < 8.3.2
fedoraproject fedoraall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI pillow HIGH fixed in 8.3.2
⚠

Public Exploits & PoCs

1
pocsnyk.io · SNYK-PYTHON-PILLOW-1319443snyk.io
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · report@snyk.io
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Sep 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:11209-1
suse-csafopenSUSE-SU-2024:13827-1
suse-csafSUSE-SU-2024:1673-2
suse-csafSUSE-SU-2024:1673-1
usnUSN-5227-2
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866bPatchThird 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 NotesVendor Advisory
https://security.gentoo.org/glsa/202211-10Third Party Advisory
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